document.write( "Question 147554: The measure of angle Y is twice the measure of its complement. Find the measure of complement of angle Y. \n" ); document.write( "

Algebra.Com's Answer #107932 by mangopeeler07(462) $\"\"$ $\"About$

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complementary angles add up to 90 degrees. So first, set up and equation that says that The measure of angle Y plus its complement equals 90. Make sure that y represents y and not its complement. $\"y%2B%281%2F2%29y=90\"$ . Then combine like terms and get $\"%283%2F2%29y=90\"$ . Isolate the variable by multiplying both sides 2/3. You should get $\"y=60\"$ . Again, that is y, and not its complement. So you can either do (1/2)y or (1/2)60 and get 30, or you can do 90-60 and get 30. Either way, $\"thecomplementofy=30\"$ . \n" ); document.write( "

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