Question

M < ABD = 7 0 ° m < C B D = 5 x + 1 3 ° m < ABC = 3 x + 3 3 ° find m < ABC

Answer 1

x=9.25

Explanation:

ABD + CBD + ABC + 180

70 + 5x + 13 + 3x + 33 =180

116 + 8x = 180

8x = 74

x = 9.25