Question

4.In the adjoining figure, P is a point in the interior of angle AOB and angle AOB = 40°.If PM parpendiculler OA and PN parpendicular OB, find the measure of angle MPN. ​

Answer 1

Answer:

sum of interior angle =180°

let the unknown angle be x

x+40°=180°

x=180°-40°

x = 140°