Question

Two opposite angles of a llgrgram are (4x+15)° and (5x-3)° find the measure of each angel

Answer 1

Each of its angle is 87 and 93.

Answer 2

(4x +15) +(5x-3)=180 (sum of opposite angles of parallelogram)
so,4x+15+5x-3=180
9x+12=180
9x=180-12
9x=168
x=168/9
x=18.6