document.write( "Question 1165019: One of two complementary angles is 18º less than the other. What is the measure of the smaller angle? \n" ); document.write( "

Algebra.Com's Answer #789451 by math_helper(2461) $\"\"$ $\"About$

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document.write( "a+b = 90
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document.write( "a = b-18    ; a < b\r
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document.write( "re-writing 2nd eq:
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document.write( "b = a+18\r
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document.write( "now sub for 'b' in the 1st eq.:
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document.write( "a+(a+18) = 90\r
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document.write( "Solve for a:  a = 36 degrees
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