(Y-20)° and (Y+30)° are the measures of complementary angles . find the measure of each angle
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Answered by
16
Answer:
(Y-20)+(Y+30)=90
2y-20+30=90
2Y+10=90
2Y=90-10
2Y=80
Y=80/2
Y= 40
Y-20
=40-20
=20
Y+30
=40+30
=70
Answered by
8
complentry angle = 90 degree
therefore,
(y-20)* +(y+30) *=90 *
y-20-y+30=90
2y+10=90
2y=90-10
2 y=80
so, y=80/2
y=40
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