The two angle measures have to add up to 90, therefore the complement two 21.6 is 68.4
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21 degree angle
Complement = 90 degrees.
Sure. The complement is -8° .
90 - 26 = 64. 64 degree angle is complimentary to a 26 degree angle.
complimentary of a 74 degree angle= 90-74=16 degree