Complementary angles
Complementary angles add up to 90 degrees.
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Two angles are complementary. One angle is 39°. How many degrees is the other angle?
Answer: 51
Two angles are complementary. One angle is 72°. How many degrees is the other angle?
Answer: 18
Two angles are complementary. One angle is 54°. How many degrees is the other angle?
Answer: 36
Tip: Complementary angles add up to 90 degrees.
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