It is: 75 degrees
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The sum of an angle and its complement is 90 degrees. So the unknown angle must be 90 - 75 = 15 degrees.
The complement is 60 degrees.
Complementary angles add up to 90 degrees. If one angle is five times the measure of the other, you can express their measurements as 5x and x. The original angle is x degrees and its complement is 5x degrees. Set the sum of the two angles equal to 90 and solve for x. 5x + x = 90 6x = 90 x = 15 The angle is 15 degrees. Its complement is 5(15) = 75 degrees. 75 + 15 = 90.
15
yes complement is 90-angle and supplement 180-angle