Question

The figure is a kite. The m < 1 = 125 and m < 3 = 20. Find m < 4.

Answer 1

m<1 + m<3/2 +m<4/2 =180

125+10 +m<4/2=180

135 +m<4/2 =180

m<4/2 =180-135

m<4/2 =45

m<4 = 90