SOLUTION: two complementary angles are (a+20*) and (a+30*).what is the value of a?

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Question 480491: two complementary angles are (a+20*) and (a+30*).what is the value of a?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
two complementary angles are (a+20*) and (a+30*).what is the value of a?
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I'm assuming the * indicates degrees.
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When two angles ar complementary, the sum is 90 degrees giving us our equation:
(a+20) + (a+30) = 90
2a + 50 = 90
2a = 40
a = 20 degrees