Yes they are
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Two angles that have the same measure and sum up to 90 degrees are complementary angles. For example, if one angle measures 45 degrees, the other angle will also measure 45 degrees, and their sum will be 90 degrees.
right angles and 90 degrees angle.
No, it has two angles over 90 degrees and two angles below 90 degrees.
90 degrees
Two angles whose sum is 90 degrees are called complementary angles.