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Find the measure of each angle …

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Find the measure of each angle of the parallelogram , if one of its angles is 30° less than twice the smallest angle.

Posted by Parvinder Singh 8 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Amar Kumar 8 years, 5 months ago

let the smaller angle be x

so, other angle is 2x-30

parallelogram measures of angles are x, x, 2x-30, 2x-30

by angle sum property

x+x+2x-30+2x-30=360

6x-60=360

6x=420

x=70

so, angles are 70 ,110 ,70, 110

0Thank You

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