SOLUTION: The measures of two supplementary angles are in the ratio of 4:5. Find the number of degrees in the measure of the smaller angle.
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Question 227670: The measures of two supplementary angles are in the ratio of 4:5. Find the number of degrees in the measure of the smaller angle.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Call the angles
and
given:
(1) degrees
(2)
---------------
Multiply both sides of (2) by
Substitute in (1)
Multiply both sides by
and, since
The smaller angle is 80 degrees
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