Question

Angle b is a supplement of angle a and measure angle a = 65.2 degrees. find measure angle b

Answer 1

< B is a supplement of < A......supplementary angles add up to 180 degrees......< B + < A = 180
< A = 65.2

< B + 65.2 = 180
< B = 180 - 65.2
< B = 114.8