50 degrees
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It is 40 degrees
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A pair of complimentary angles has a sum that measures 90 degrees. If your first angle is 40 degrees, the complement must equal 50. 90= 40+X 50=X
No. An angle is (90 minus its complement) degrees. The definition of the complement is "90 degrees minus the original angle".
Supplement of 130 deg = 180 - 130 = 50 deg Complement of 50 deg = 90 - 50 = 40 degrees