If m< 1+m< 5=100,. find the measure of < 2

In drawing the plane, you will be able to see the answers

Angle 1 and Angle 5 are congruent angles because they are parallel to each other. In solving them numerically, we got:

m<1+m<5=100

m<1+m<1=100

2*m<1 = 100

m<1 = 100/2

m<1 = 50

m<5 = 50