Question

∠E and ∠F are supplementary. If m∠E=9x-38 and m∠F=2x+42. find m∠f=

Answer 1

The measure of angle F is 74°.

Explanation:

`9x - 38 + 2x + 42 = 180`

`11x + 4 = 180`

`11x = 176`

`x = 16`

For angle F: 2(16) + 42 = 32 + 42 = 74°