Answer:
Explanation:
The measure of the interior angle of a triangle is 180 degrees
therefore 3x + 2x + 90 = 180
5x + 90 = 180
5x = 90
x = 18
3x = 3(18) = 54 degrees
2x = 2(18) = 36 degrees
To check:
54 + 36 + 90 = 180
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