Question

Given; y || 2
Prove: m<5+ m<2 + m<6 = 180°
Help

Answer 1

Answer:

<1=<5(alternative angle)

<3=<6(alternative angle)

<1+<2+<3=180(given)

<5+<2+<6=180(putting <1=<5 and <3=<5)

proved