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Question

(y20) and (y+30) are the measures of complementary angles. Find the measure of each angle.

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Solution

Given:

(y20) and (y+30) are the measures of complementary angles.

We know that, if sum of two angles is 90 then they are complementary angles.

y20+y+30=90

2y+10=90

2y=9010

2y=80

2y=802

y=40

Lets substitute y=40 in (y20) and (y+30)

y20=4020=20 ---(1)

y+30=40+30=70 ---(2)

Hence, the measure of the two angles are 20 and 70.


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