Answer:
x=90-63
Explanation:
that angle is marked asa 90 degree angle, and they split it in 2. If one peice is 63, then the other one must be 90-63.
x+63 = 90
x = 27
The two angles are complementary, so they add to 90 degrees
Subtract 63 from each side
x+63-63 = 90-63
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