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If one angle of a parallelogram …

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If one angle of a parallelogram is 300 less than twice the smallest angle then find the measure of each angle.

Posted by Prachi - 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Queen 14 5 years, 2 months ago

Let the smallest angle be x One angle = 2x - 30° ∴ x + 2x - 30° = 180° ⇒ 3x = 210° ⇒ x = 70° ∴ 2x - 30° = 110° ∴ Angles are 70°, 110° , 70°,

0Thank You

Yogita Ingle 5 years, 2 months ago

Let the smallest angle be x

One angle = 2x - 30°

∴ x + 2x - 30° = 180°

⇒ 3x = 210°

⇒ x = 70°

∴ 2x - 30° = 110°

∴ Angles are 70°, 110° , 70°, 110° .

0Thank You

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