Question

Help completing this proof?

Answer 1

For every = sign it is a congruence sign, my computer can't do it.

Given: <2 = <4, m<2 = 110 degrees
Prove: m<3 = 70 degrees

<2 = <4, m <2 = 110 degrees Given
m<2 = m<4 Definition of congruent angles
m<4 = 110 degrees ________________
<3 and <4 are a linear pair Definition of a linear pair
<3 and <4 are supplementary Linear Pair postulate
m<3 + m<4 = 180 degrees ________________
m<3 = 70 degrees ________________

Answer 2

Does anyone know this answer?