SOLUTION: angle 1 is complementary to angle 3. if angle 3 is y degrees, how large is angle 1?

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Question 220753: angle 1 is complementary to angle 3. if angle 3 is y degrees, how large is angle 1?
Answer by tutor_paul(519) About Me  (Show Source):
You can put this solution on YOUR website!
If two angles are complementary, their sum is 90 degrees.
(Angle 1)+(Angle 3)=90
Since Angle 3 = y, you can write:
(Angle 1)+y=90
Now, just solve for Angle 1:
(Angle 1) = 90-y
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Good Luck,
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