Question

22. If 1 m,m/19 - 118°, and m/16 - 48°, calculate m/12.

Answer 1

Answer: Option 4

Step-by-step explanation:

$m\angle 20=62^{\circ}$ (linear pair)

$m\angle 11=70^{\circ}$ (angle sum in a triangle)

$m\angle 12=110^{\circ}$ (linear pair)