Question

Match the following items.
Given:
triangle ABC
AC = BC
Prove:
<3 = <1

https://media.glynlyon.com/g_geo_2013/4/page44a.gif

1. AC = BC
2. ∠1 = ∠2
3. ∠2 = ∠3
4. ∠1 = ∠3

Answer 1

Substitution
Given
Vertical angles =
Base ∠'s of isosceles triangle =

Answer 2

@ByteMe
@_Michaeld22

Answer 3

1. given
2. in a triangle, if two sides equal in length, then the two angles are equal
3. vertical angles
4. transitive

i think...

Answer 4

thnx:))