The measures of three interior angles of some quadrilaterals are given. Find the measure of the fourth interior angle for each quadrilateral.

Question

a) 110°, 80°, 75°
b) 95°, 95°, 150°
c) 68°, 29°, 103°
d) 132°, 48°, 67°

(you can just do the ones u want to if you'd like :)

Answer 1

from your earlier posts, you should know they must add to 360
So add up what you have and see how much you need.