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The adjecent angles of parallelogram are …

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The adjecent angles of parallelogram are (3x-5)°(2x+15)°.find the value of x.

Posted by Ashishkumar Sonkamble 7 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Champ Leather 7 years, 10 months ago

(3x-5)° + (2x+15)° = 180° [ because sum of adjacent angles in a parallelogram is 180°] So, 3x - 5 + 2x + 15 = 180° 3x + 2x + 15 - 5 = 180° 5x + 10 = 180° 5x = 180 - 10 5x = 170 x = 170 /5 x = 34°

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The Frost Sword 7 years, 10 months ago

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