Honors Geometry Companion Book, Volume 1

4.2.5 Isosceles and Equilateral Triangles - Worksheet (continued)

8. BC

9. JK

A

J

7 t + 15

– y + 23

H

10 t

B

C

6 y + 2

K

Example 4: 10. Given: △ ABC is right isosceles. X is the midpoint of AC . AB ≅ BC Prove: △ AXB is isosceles.

y

A (0, 2 a )

X

x

B (0, 0)

C (2 a , 0)

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