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If (a°+10°)and (a°+20°)are supplementry angles ,find them​

User SnapJag
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1 Answer

5 votes

Explanation:

a°+10°+a°+20°=180

becasue sum of angle of suplimentary angles is 180.

2a+30=180

2a=180-30

2a=150

a=75

User Dsollen
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