A quadrilateral has interior angle measures of 65°, 75°, and 121°. What is the measure of the fourth interior angle in the quadrilateral?

Question

asked Jan 28, 2018 143k views

2 Answers

Mikolaj Kieres · Answer 1 · 2018-01-28T21:20:23+0000

sum of quadrilateral is 360
so 360 - (65 + 75 + 121)
=360 - 261
= 99

answer: 99 is the measure of the fourth interior angle in the quadrilateral