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7th Edition

Alexander + 2 others

Publisher: Cengage,

ISBN: 9781337614085

Chapter 6.3, Problem 5E

Textbook Problem

Sketch two circles that have:

a) No common tangents

b) Exactly two common tangents

c) Exactly three common tangents

d) Exactly three common tangents

e) Exactly four common tangents

Elementary Geometry For College Students, 7e

Show all chapter solutions

Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - For Exercises 1 to 8, use the figure provided....Ch. 6.1 - Given: AOOBandOCbisectsACBinO Find: a mAB b mACB c...Ch. 6.1 - Given: ST=12(SR)inQSRisadiameter Find: a mST b mTR...

Ch. 6.1 - Given: QinwhichmAB:mBC:mCA=2:3:4 Find: a mAB b mBC...Ch. 6.1 - Given: mDOE=76and mEOG=82inO EFisadiameter Find: a...Ch. 6.1 - Given: OwithABACand mBOC=72 Find: a mBC b mAB c mA...Ch. 6.1 - In O not shown, OA is a radius, AB is a diameter,...Ch. 6.1 - Given: In O,OCABand OC=6 Find: a AB b BC Exercise...Ch. 6.1 - Given: Concentric circles with center Q...Ch. 6.1 - Given: Concentric circles with center Q...Ch. 6.1 - AB is the common chord of O and Q. If AB=12 and...Ch. 6.1 - Circles O and Q have the common chord AB. If AB=6,...Ch. 6.1 - Suppose that a circle is divided into three...Ch. 6.1 - Suppose that a circle is divided by points A,B,C,...Ch. 6.1 - Following the pattern of Exercises 20 and 21, what...Ch. 6.1 - Consider a circle or congruent circles, and...Ch. 6.1 - State the measure of the angle formed by the...Ch. 6.1 - State the measure of the angle formed by the...Ch. 6.1 - Five points are equally spaced on a circle. A...Ch. 6.1 - A ceiling fan has equally spaced blades. What is...Ch. 6.1 - A wheel has equally spaced lug bolts. What is the...Ch. 6.1 - An amusement park ride the Octopus has eight...Ch. 6.1 - In Exercises 30 and 31, complete each proof....Ch. 6.1 - In Exercises 30 and 31, complete each proof....Ch. 6.1 - In Exercises 32 to 37, write a paragraph proof....Ch. 6.1 - In Exercises 32 to 37, write a paragraph proof....Ch. 6.1 - In Exercises 32 to 37, write a paragraph proof....Ch. 6.1 - In Exercises 32 to 37, write a paragraph proof. A...Ch. 6.1 - In Exercises 32 to 37, write a paragraph proof. An...Ch. 6.1 - In Exercises 32 to 37, write a paragraph proof. If...Ch. 6.1 - If MNPQin O, explain why MNPQ is an isosceles...Ch. 6.1 - If STTV, explain why STV is an isosceles triangle.Ch. 6.1 - Use a paragraph proof to complete this exercise....Ch. 6.1 - In O,OY=5 and XZ=6. If XWWY, find WZ.Ch. 6.2 - Given: mAB=92mDA=114mBC=138 Find:...Ch. 6.2 - Given: mDC=30 and mDABC is trisected at points A...Ch. 6.2 - Given: Circle O with diameter RS, tangent SW,...Ch. 6.2 - Find mRT if mRST:mRSW=1:5Ch. 6.2 - Find mRST if mRT:mTS=1:4Ch. 6.2 - Is it possible for a a rectangle inscribed in a...Ch. 6.2 - Given: In Q, PR contains Q, MR is a tangent,...Ch. 6.2 - Given: AB and AC are tangent to O, mBC=126 Find:...Ch. 6.2 - Given: Tangent ABand AC to O mACB=68 Find:...Ch. 6.2 - Given: m1=72,mDC=34 Find: a)mABb)m2Ch. 6.2 - Given: m2=36mAB=4mDC Find: a)mABb)m1Ch. 6.2 - Given: m3=42 Find: a)mRTb)mRST Exercises 12,13Ch. 6.2 - Given: RSSTRT Find: a)mRTb)mRSTc)m3 Exercises...Ch. 6.2 - Given: m1=63mRS=3x+6mVT=x Find: mRS Exercises 14,...Ch. 6.2 - Given: m2=124mTV=x+1mSR=3(x+1) Find: mTV Exercises...Ch. 6.2 - Given: m1=71m2=33 Find: mCE and mBD Exercises 16,...Ch. 6.2 - Given: m1=62m2=26 Find: mCE and mBD Exercises 16,...Ch. 6.2 - aHow are R and T related? bFind mR if mT=112....Ch. 6.2 - aHow are S and V related? bFind mV if mS=73....Ch. 6.2 - A quadrilateral RSTV is circumscribed about a...Ch. 6.2 - In Exercises 21 and 22, complete each proof....Ch. 6.2 - In Exercises 21 and 22, complete each proof....Ch. 6.2 - In Exercises 23 to25, complete a paragraph proof....Ch. 6.2 - In Exercises 23 to25, complete a paragraph proof....Ch. 6.2 - In Exercises 23 to25, complete a paragraph proof....Ch. 6.2 - Use the result from Exercise 25 to find m1 if...Ch. 6.2 - An airplane reaches an altitude of 3mi above the...Ch. 6.2 - From the veranda of a beachfront hotel, Manny is...Ch. 6.2 - For the five-pointed star a regular pentagram...Ch. 6.2 - For the six-pointed star a regular hexagram...Ch. 6.2 - A satellite dish in the shape of a regular...Ch. 6.2 - In the figure shown, RSTWVT by the reason AA. Name...Ch. 6.2 - In the figure shown, RXVWXS by the reason AA. Name...Ch. 6.2 - On a fitting for a hex wrench, the distance from...Ch. 6.2 - Given: AB is a diameter of M is the midpoint of...Ch. 6.2 - A surveyor sees a circular planetarium through an...Ch. 6.2 - The larger circle is inscribed in a square with...Ch. 6.2 - In R,QS=2(PT). Also, mP=23. Find mVRS.Ch. 6.2 - In Exercises 39 to47, provide a paragraph proof....Ch. 6.2 - In Exercises 39 to 47, provide a paragraph proof....Ch. 6.2 - In Exercises 39 to 47, provide a paragraph proof....Ch. 6.2 - In Exercises 39 to 47, provide a paragraph proof....Ch. 6.2 - In Exercises 39 to 47, provide a paragraph proof....Ch. 6.2 - In Exercises 39 to 47, provide a paragraph proof....Ch. 6.2 - In Exercises 39 to 47, provide a paragraph proof....Ch. 6.2 - In Exercises 39 to47, provide a paragraph proof....Ch. 6.2 - Given: Quadrilateral RSTV inscribed in Q Prove:...Ch. 6.2 - Given concentric circles with center O, ABC is...Ch. 6.2 - In the figure, quadrilateral ABCD is inscribed in...Ch. 6.3 - Note: Exercises preceded by an asterisk are of a...Ch. 6.3 - Note: Exercises preceded by an asterisk are of a...Ch. 6.3 - Note: Exercises preceded by an asterisk are of a...Ch. 6.3 - Note: Exercises preceded by an asterisk are of a...Ch. 6.3 - Sketch two circles that have: a No common tangents...Ch. 6.3 - Two congruent intersecting circles B and D not...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - In the figure for Exercises 7 to 16, O is the...Ch. 6.3 - For Exercises 17 to 20. See Theorem 6.3.6. Given:...Ch. 6.3 - For Exercises 17 to 2, See Theorem 6.3.6. Given:...Ch. 6.3 - For Exercises 17 to 2, See Theorem 6.3.6. Given:...Ch. 6.3 - For Exercises 17 to 2, See Theorem 6.3.6. Given:...Ch. 6.3 - In the figure for Exercises 21 to 24,RS is tangent...Ch. 6.3 - In the figure for Exercises 21 to 24,RS is tangent...Ch. 6.3 - In the figure for Exercises 21 to 24,RS is tangent...Ch. 6.3 - In the figure for Exercises 21 to 24,RS is tangent...Ch. 6.3 - For the two circles in figures a, b, and c, find...Ch. 6.3 - For the two circles in figures a, b, and c, find...Ch. 6.3 - In Exercises 27 to 30, provide a paragraph proof....Ch. 6.3 - In Exercises 27 to 30, provide a paragraph proof....Ch. 6.3 - In Exercises 27 to 30, provide a paragraph proof....Ch. 6.3 - In Exercises 27 to 30, provide a paragraph proof....Ch. 6.3 - Does it follow from Exercise 30 that ADE is also...Ch. 6.3 - In O not shown, RS is a diameter and T is the...Ch. 6.3 - The cylindrical brush on a vacuum cleaner is...Ch. 6.3 - The drive mechanism on a treadmill is powered by...Ch. 6.3 - Given: Tangents AB,BC,andACtoO at points M, N, and...Ch. 6.3 - Given: Q is inscribed in isosceles right RST. The...Ch. 6.3 - Given: AB is an external tangent to O and Q at...Ch. 6.3 - The center of a circle of radius 3 in. is at a...Ch. 6.3 - The center of a circle of radius 2 in. is at a...Ch. 6.3 - Circles O, P, and Q are tangent as shown at points...Ch. 6.3 - Circles O, P, and Q are tangent see Exercise 40 at...Ch. 6.3 - Circles O, P, and Q are tangent as shown for...Ch. 6.3 - Circles O, P, and Q are tangent as shown for...Ch. 6.3 - If the larger gear has 30 teeth and smaller gear...Ch. 6.3 - For the drawing in Exercise 44, suppose that the...Ch. 6.3 - In Exercises 46 to 49, prove the stated theorem....Ch. 6.3 - In Exercises 46 to 49, prove the stated theorem....Ch. 6.3 - In Exercises 46 to 49, prove the stated theorem....Ch. 6.3 - In Exercises 46 to 49, prove the stated theorem....Ch. 6.3 - The sides of ABC are tangent to D at A and C,...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - In Exercises 1 to 8, use the figure provided. If...Ch. 6.4 - Construct a circle O and choose some point D on...Ch. 6.4 - Construct a circle P and choose three points R, S,...Ch. 6.4 - X, Y, and Z are on circle O such that mXY=120,...Ch. 6.4 - Q has interior point A, point B on the circle, and...Ch. 6.4 - Construct the two tangent segments to circle P not...Ch. 6.4 - Construct the two tangent segments to circle R not...Ch. 6.4 - Point V is in the exterior of circle Q not shown...Ch. 6.4 - Given circle P and points RPT such that R and T...Ch. 6.4 - Given parallel chords AB, CD, EF, and GH in circle...Ch. 6.4 - Given chords MN, RS, and TV in Q such that QZQYQX,...Ch. 6.4 - Given circle O with radius OT, tangent AD, and the...Ch. 6.4 - a If mRSmTV, write an inequality that compares m1...Ch. 6.4 - a If MNPQ, write an inequality that compares the...Ch. 6.4 - a If mXYmYZ, write an inequality that compares the...Ch. 6.4 - Quadrilateral ABCD is inscribed in circle P not...Ch. 6.4 - Quadrilateral RSTV is inscribed in circle Q not...Ch. 6.4 - In circle O, points A, B, and C are on the circle...Ch. 6.4 - In O, AB=6cm and BC=4cm. a How are mAOB and mBOC...Ch. 6.4 - In O, mAOB=70 and mBOC=30. See the figure above. a...Ch. 6.4 - Triangle ABC is inscribed in circle O; AB=5, BC=6,...Ch. 6.4 - Given circle O with mBC=120, and mAC=130. a Which...Ch. 6.4 - Given that mAC:mBC:mAB=4:3:2 in circle O: a Which...Ch. 6.4 - Given that mA:mB:mC=2:4:3 in circle O: a Which...Ch. 6.4 - Circle O has a diameter of length 20cm. Chord AB...Ch. 6.4 - Circle P has a radius of length 8in. Points A, B,...Ch. 6.4 - A tangent ET is constructed to circle Q from...Ch. 6.4 - Two congruent circles, O and P, do not intersect....Ch. 6.4 - Explain why the following statement is incorrect:...Ch. 6.4 - Prove: In a circle containing two unequal arcs,...Ch. 6.4 - Prove: In a circle containing two unequal chords,...Ch. 6.4 - In O, chord AB chord CD. Radius OE is...Ch. 6.4 - In P, whose radius has length 8in., mAB=mBC=60....Ch. 6.4 - Construct two externally tangent circles where the...Ch. 6.CR - The length of the radius of a circle is 15 mm. The...Ch. 6.CR - Find the length of a chord that is 8 cm from the...Ch. 6.CR - Two circles intersect and have a common chord 10...Ch. 6.CR - Two circles intersect and have a common chord 12...Ch. 6.CR - In Review Exercises 5 to 10, BA is tangent to the...Ch. 6.CR - In Review Exercises 5 to 10, BA is tangent to the...Ch. 6.CR - In Review Exercises 5 to 10, BA is tangent to the...Ch. 6.CR - In Review Exercises 5 to 10, BA is tangent to the...Ch. 6.CR - In Review Exercises 5 to 10, BA is tangent to the...Ch. 6.CR - In Review Exercises 5 to 10, BA is tangent to the...Ch. 6.CR - Given:Owithtangentlandm1=46 Find:m2, m3,m4,m5Ch. 6.CR - Given:Owithtangentlandm5=40 Find:m1,m2, m3,m4,Ch. 6.CR - Two circles are concentric. A chord of the larger...Ch. 6.CR - Two parallel chords of a circle each have length...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - In Review Exercises 15 to 22, state whether the...Ch. 6.CR - Given that CF is a tangent to the circle shown:...Ch. 6.CR - Given that CF is a tangent to the circle shown:...Ch. 6.CR - Given:DF-AC-inO OE=5x+4 OB=2x+19 Find:OECh. 6.CR - Given:OE-OB-inO DF=xx-2 AC=x+28 Find:DEandACCh. 6.CR - In Review Exercises 27 to 29, give a proof for...Ch. 6.CR - In Review Exercises 27 to 29, give a proof for...Ch. 6.CR - In Review Exercises 27 to 29, give a proof for...Ch. 6.CR - Given:OwithdiameterAC-andtangentDE...Ch. 6.CR - A square is inscribed in a circle with a radius of...Ch. 6.CR - A 30-60-90 triangle is inscribed in a circle with...Ch. 6.CR - A circle is inscribed in the right triangle. The...Ch. 6.CR - Given:OisinscribedinABC AB=9,BC=13,AC=10...Ch. 6.CR - In Q with ABQ and CDQ, mABmCD. Also, QPABandQRCD....Ch. 6.CT - a If mAB=88, then mACB=____________. b If mAB=92...Ch. 6.CT - a If mBC=69, then mBOC=_____________. b If mBC=64,...Ch. 6.CT - a If mBAC=24, then mBC=_____________. b If ABAC,...Ch. 6.CT - Complete each theorem: a An angle inscribed in a...Ch. 6.CT - Given that mAB=106 and mDC=32, find: a m1 b m2Ch. 6.CT - Given the tangents with mRT=146, find : a mRST b...Ch. 6.CT - Given the tangents with m3=46, find: a mRST b mRTCh. 6.CT - aBecause point Q is their common center, these...Ch. 6.CT - In O with diameter AC, OC=5 and AB=6. If M is the...Ch. 6.CT - For the circles described and shown, how many...Ch. 6.CT - aIf HP=4, PJ=5, and PM=2, find LP. bIf HP=x+1,...Ch. 6.CT - In the figure, TV is a tangent and TVWTXV. Find TV...Ch. 6.CT - Construct the tangent line to P at point X.Ch. 6.CT - aIf mABmCD, write an inequality that compares...Ch. 6.CT - In P not shown, the length of radius PA is 5....Ch. 6.CT - Provide the missing statements and reasons in the...

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