Question

How do I find B? (see figure)

Answer 1

what properties do you recall about isocolese triangles?

Answer 2

@amistre64 2 sides are equal?

Answer 3

2 sides, and 2 angles are equal ...

Answer 4

im assuming you drew an isocolese triangle in the post to start with

Answer 5

Yep, that's right.

Answer 6

and im aslo assuming the larger and smaller triangles are similar

Answer 7

as such...

1 = 3, 2 = 4

and in an isocolese ... 1 = 2

Answer 8

Oh, I got it, thank you @amistre64 :D