In isosceles
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Elementary Geometry for College Students
- In Exercises 11 to 14, assume that X, Y, and Z are midpoints of the sides of RST. If the perimeter sum of the lengths of all three sides of XYZ is 12.7, what is the perimeter of RST?arrow_forwardIn Exercises 27 to 30, find the area of the figure shown. Given: Pentagon RSTVW with mVRS=mVSR=60,RS=82, and RW-WV-VT-TS- Find: ARSTVWarrow_forwardIn Exercises 7 and 8, classify the trianglenot shown by considering the lengths of its sides a All sides of ABC are of the same length. b In DEF, DE=6, EF=6, and DF=8.arrow_forward
- In Exercises 27 to 30, find the area of the figure shown. Given: Pentagon ABCDE with DC-DE- AE=AB=5 BC=12 Find: AABCDEarrow_forwardIn trapezoid RSTV, RVST,mSRV=90, and M and N are midpoints of the nonparallel sides. a What type of triangle is RMN? b If ST = 13, RV = 17 and RS = 16, How long is RN? c What type of triangle is RVN? Hint: Use lengths of sides found in part b.arrow_forwardIn Exercises 30 and 31, complete each proof. Given: Diameters AB and CD in E Prove: ACDB PROOF Statements Reasons 1. ? 1. Given 2. AECDEB 2. ? 3. mAEC=mDEB 3. ? 4. mAEC=mAC and mDEB=mDB 4. ? 5. mAC=mDB 5. ? 6. ? 6. If two arcs of a circle have the same measure, they arearrow_forward
- A satellite dish in the shape of a regular dodecagon 12 sides is nearly circular. Find: a mAB b mABC c mABC inscribed anglearrow_forwardIn the three-dimensional figure, CAAB and BEAB. Are CAandBE parallel to each other? Compare with Exercise 6.arrow_forwardIn Exercises 15 to 18, describe the triangle XYZ , not shown as scalene, isosceles, or equilateral. Also, is the triangle acute, right, or obtuse? mX=60 and YZarrow_forward
- In Exercises 27 to 30, find the area of the figure shown. Given: Hexagon RSTVWX with WV-XT-RS- RS=10 ST=8 TV=5 WV=16 WX-VT- Find: ARSTVWXarrow_forwardWith congruent parts marked, are the two triangles congruent? a ABC and DAC_ b RSM and WVM_arrow_forwardIn Exercise 17 to 20, first prove that triangles are congruent then use CPCTC. Given: DEEF and CBAB ABFE ACFD Prove: EFBAarrow_forward
- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning