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1 vote
Trisha's desktop is a quadrilateral. Three of the angles are 77°, 80°, and 85°.

What is the measure of the fourth angle?
A.
58°
B.
158°
C.
118°
D.
258°
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User Jkasnicki
by
7.6k points

1 Answer

4 votes

Answer:

c) 118 degrees

Explanation:

First you add up all the angles which is 242 and then you subtract 360-242 to get an answer of 118.

User Paul Westcott
by
8.0k points
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