The angle measures of three angles of a quadrilateral are given. Find the measure of the fourth angle of the quadrilateral.
(a) 70°, 90°, 115°
°
(b) 50°, 90°, 90°
°
(c) 57°, 67°, 124°
°
(d) 60°, 95°, 120°
85 °
I got 85 for D
Each of the sets of 4 angles should add to a total of 360 for a convex quadrilateral,,,,so your answer is correct.