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the angles of a quadrilaterial are in the ratio of 3:5:9:13. find all the angles of the quadrilaterial

Posted by Manuella Dcruz 9 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Rashmi Bajpayee 9 years, 1 month ago

Let the angles be 3x, 5x, 9x and 13x

Using angle sum property of quadrilateral,

3x + 5x + 9x + 13x = 360 => 30x = 360 => x = 12

Therefore, the angles are

3x = 3 x 12 = 36^o

5x = 5 x 12 = 60^o

9x = 9 x 12 = 108^o

15x = 15 x 12 = 180^o

0Thank You

Priyansh Patidar 9 years, 1 month ago

Let the angles be 3x ,5x,9x,13x..

Total sum =30x

Sum of angles of quad.....=360°

It means 30x=360°

Therefore x=36°

All angles can be calculated using this

0Thank You

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CBSE > Class 09 > Mathematics