3 years ago

A quadrilateral has angles that measure 63, 89, and 121. What is the measure of the fourth angle?

Mathematics

2 answers:

vodka [1.7K]3 years ago

5 0

360-all of those is 87 so 87 is the answer

Masja [62]3 years ago

4 0

Uh.. Lemme see. Add up all the angle measures and then subtract them from 360. In this case, the answer is 87.

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