7. What is the name of a polygon whose each interior angle is 140°? a. Decagon d. octagon c. nonagon d. undecagon 8. The sum of the exterior angles of any polygon is а. 360° b. 180° c. 540° d 720°

Q: А. 8 cm 8 ft 12 cm 5 cm Answer: 10 ft he Surface Aree of the Solid Fiaure: B.

A: Recall:  Area of Rectangle=(Iength)(breadth)  Area of Square=(side)2  Area of…

Q: y =-x2 +5 8. x² + 5 Oy = 8 Oy = x² - 5 8. Oy = x² - 5 8.

A: Given query is to find the equation of the parabola.

Q: K H A

A: Given problem:-

Q: Solve for the area of a rhombus with sides of 20 cm and longer diagonal  of 32 cm

A:

Q: C. In the figure LDis a right angle and BD 1 AC. Find the missing part If AB= 9 and BC =4, find BD

A:

Q: We consider the regular as well as semi-regular tilings of the plane by regular polygons where some…

A: By using euler formula  V+F=E+2 Where:- V= vertices number F= Faces numbers E= Edges number

Q: (d) (h)

A:

Q: Find the area of each figure. 16. 25 ft 17. 25 ft 25 ft

A: We will find the area of both the triangles to find the area of the given figure .

Q: 5) A regular heptagon with a side length of 15 cm has an approximate area of 817.63 cm². What is the…

A:

Q: 8. If SE = JO, ED = OY and SD = JY. Can you prove that ASED = AJOY? Explain. A. Yes, by ASA C. No B.…

A:

Q: Suppose arc DB in the image below measures to be 128 degrees. What is the measurement of angle DCB?…

A: To solve the following problem

Q: -1 This is the shaded region for the constraints x+y is less than or equal to 2 2x+y is less than or…

A: Let's find.

Q: 4. Vx+ 3 = 2 Solution/s: Extraneous Solution/s: 5. Vx + 5 = 7 Solution/s: Extraneous Solution/s: 6.…

A: 4.) x+33 =2cubing O.B.Sx+3= 23x+3=8x=5The solution is: x=5Extraneous solution: No

Q: The area of a circle Classwork Use t = 3.14 to find the area of the following circles: %3D eg) 4) A…

A:

Q: How many yards of lace trim is needed to make borders for two rectangular tablecloths each with…

A: Topic =  Algebra

Q: answering the question detailed below. Read the question and the student's incorrect attempt first,…

A: Trigonometry is the study of the relationship between the sides and angles of a right-angled…

Q: in the figure to the right, if AC= 18 and BC =15, what is the radius?

A: This question is based on Pythagoras theorem.

Q: Find the value of x below!

A: Given: To find: The value of x

Q: 9. 5. 6. 49° 11 C = ? 52 C 40° 14 A A

A: By using the law of cosines or law of sines to determine the unknown measure in question no. 5 &…

Q: Consider the line 4x+3y =-9. What is the slope of a line perpendicular to this line? What is the…

A: topic - slope of a line

Q: 4. A segment w.ee endpoints are on the circle and it passes through the center of the circie. 8.…

A: These are basic properties of circle.

Q: find the radius of a circle in which the central angle , a , intercepts an arc of the given length…

A: Given query is to find the radius of the circle.

Q: A cube is sliced as shown. What is the shape of the cross-section? * O Rectangle O Square Rhombus О…

A:

Q: 20.Complete the proof. Fill in the blank with the letter of the correct answer. a. SV = PV c. ARSV =…

A:

Q: Suppose arc HK = 125 degrees and arc IJ = 123 degrees. Find m∠KAH.

A: Recall: Intersecting Secants Theorem    m∠KAH=12HK⏜+IJ⏜

Q: 18. 200 m 120 m 40 m 60 m

A: As it is mentioned to find the area of 18th question, we will solve it.

Q: Determine the area of a quadrilaterals with incircles, having sides a = 9.66 m, b = 7.54, c = 11.44,…

A:

Q: Given two vectors; A = 21 + 3j – 2k B = 31– 4j – 6k Find a vector that is perpendicular to both…

A: Given query is to find the perpendicular vector to the given vectors.

Q: 11. SPORTS David is building a bike ramp. He wants the angle that the ramp makes with the ground to…

A:

Q: If XY= 2x-3 and ST = 34 in the diagram above, 3. What is the value of x = 4. What is the length of…

A:

Q: Use your calculator to find each trigonometric ratio. Round to the nearest hundredth. 9. sin 42° 10.…

A:

Q: Given: I is the midpoint of TR, RN = TS, and IN > IS. Prove: OP > EH R Statements Reasons 15. I is…

A: We have to find the proof

Q: The diagram shows AB graphed on a coordinate plane. B (4, 6) 6- -5 4 3 2 -5 -4 -3 -2 -1 4 -1- -2 3…

A:

Q: Find the equation of the line passing through the point  (-2, 7) and perpendicular to the line 3y =…

A:

Q: Find the unknown sides (in m) of the right triangle. (See figure below. Round your answers to four…

A:

Q: Use the rules for working with measurements to give your answer to the appropriate accuracy and/or…

A: Consider the prism

Q: sorry, I meant find the measure of angle ACB.

A: The figure you have given did not match with the statement.  The correct figure should be:

Q: 1. Always show your solutions. 2. Write legibly and SCAN your work clearly. 3. Be sure that all…

A: Note: The given question is contradictory. If ∠AMR needs to be calculated, then MR is a straight…

Q: If each quadrilateral below is a rhoml 1. UV = 8 and WX = 5 TU = %3D T. %3D TX = TV = %3D W

A:

Q: congruence

A: We will prove the congruence of triangles.

Q: Find the measure of the indicated arc or ang mAB = 128, find the mLD and m2C.

A:

Q: .B

A:

Q: Find x. Round to the nearest tenth. 28. A 29. 11 21° C В K

A: Find x

Q: 5. Solve for x. F E 68 (9x - 5)

A:

Q: 90° H T W V 112° U

A:

Q: After using a compassion and a straightedge to generator this figure,jeremy clams ∆ ABC is an…

A: Here, note that all the angles in equilateral triangles are congruent so they are 60°.

Q: The sides of a rectangle are in ratio 2:5. The area is 200 m2. Find the dimensions of the rectangle.

A:

Q: In the figure below, Q lies between P and R. Find the location of Q so that the ratio of PQ to QR is…

A:

Q: If A is the center of the circle, then which statement explains how ED is related to FD? F D E

A: Given,

Q: Find the equation/s of the circle that has a radius of 5 and tangent to the  line 3x + 4y − 24 = 0…

A: The solution is given below