Question

Find m a. 14
b. 39
c. 51
d. 90

Answer 1

I WILL USE SUM OF INTERIOR ANGLES OF A TRIANGLE TO GET x

`(2x + 11) + (4x - 5) + 90 = 180 \\ 2x + 4x + 11 - 5 + 90 = 180 \\ 6x + 96 = 180 \\ 6x = 180 - 96 \\ 6x = 84 \\ (6x)/(6) = (84)/(6) \\ x = 14`

THE ANSWER IS OPTION a

X=14°