Question

Given the following diagram, find the required measure.

https://media.glynlyon.com/g_geo_2013/3/page69b.gif

Given: m ∠3 = m ∠7
All of the following are true except

m∠1 = m∠3 + m∠5
m∠5 = m∠4 + m∠7
m∠3 = m∠6 + m∠7
m∠1 = m∠5 + m∠7

Answer 1

is it the third one?

Answer 2

I believe so. If <3 = <7

m∠3 = m∠6 + m∠7
would only be true if <6 equalled 0

Answer 3

thnx:)