18. If ABC is an isosceles triangle with vertex angle m(ZA)=45° and AB =10 inches, find the length of the base of this triangle. (Hint: Draw a triangle and use LOC.) A. 10/2+ 7 B. 10/2-2 C. 20/1+ 7 D. 20/2-VE E. 10/3-7

18. If ABC is an isosceles triangle with vertex angle m(ZA)=45° and AB =10 inches, find the length of the base of this triangle. (Hint: Draw a triangle and use LOC.) A. 10/2+ 7 B. 10/2-2 C. 20/1+ 7 D. 20/2-VE E. 10/3-7

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter6: Circles

Section6.4: Some Constructions And Inequalities For The Circle

Problem 29E: Given circle O with mBC=120, and mAC=130. a Which angle of triangle ABC is smallest? b Which side of...

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Do NOT use a calculator. there is only one rigth answer choice

18. If ABC is an isosceles triangle with vertex angle m(ZA) = 45° and AB=10 inches,
find the length of the base of this triangle. (Hint: Draw a triangle and use LOC.)
A. 10/2+ 2
B. 10/2-7
C. 201+ 7
D. 20/2-7
E. 10/3-V7

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