Question

the angles of a quadrilatrel are in ratio 3:5:9:13 find the angle of the quadrilatrel

Answer 1

Given that,

3x + 5x + 9x + 13x = 360

30x = 360

x = 12

So the angles are 36,60,108 and 156

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Answer 2

Let the ratio of angles be 3x:5x:9x:13x


Sum of interior angles of quadrilaterals= 360

So,
360= 3x+5x+9x+13x
360= 30x
360/30=x

12=x

Therefore the angles are :

• 36
•60
•108
•156


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