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Among two supplementary an angles the measure of the larger angle is 20 times more than the smaller angle .find their measures

Posted by Vidhya R 6 years ago

CBSE > Class 07 > Mathematics

2 answers

Gaurav Seth 6 years ago

Let the measure of the supplementary angles be x and (x + 20).
⇒ (x) + (x + 20) = 180°
⇒ 2x + 20 = 180°
⇒ 2x = 160°
⇒ x = 80°
Therefore, measures of the supplementary angles are 80° and (80 + 20) i.e. 100°.

1Thank You

Vidhya R 6 years ago

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CBSE > Class 07 > Mathematics