SOLUTION: What are the measures of two complementary angles if the difference of the measures of the angles is 12

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Question 97869: What are the measures of two complementary angles if the difference of the measures of the angles is 12
Answer by coyote(32) About Me  (Show Source):
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Complementary angles are 2 angles that equal 90 degrees, so
x+x-12=90
2x-12=90
2x=102
x=51
So angle 1 is 51 degrees and angle 2 is 39 degrees(51-12)
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To check
51+39=90
90=90