Question

EXERCISE: 8.1
Q.1. The angles of quadrilateral are in the ratio
3:5:9:13.Find all the angles of a qurdrilateral​

Answer 1

Step-by-step explanation:

the sum of angles of quadrilateral is 360°

so , 3x+5x+9x+13x= 360°

➡️30x= 360°

➡️x= 360/30

➡️x= 12°

so , the angles will be

3x,5x,9x,13x

➡️3(12) , 5(12) , 9(12) , 13(12)

➡️ 36° , 60° , 108° , 156°

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Answer 2

Step-by-step explanation:

Let the four angles of the quadrilateral be 3x, 5x, 9x and 13x

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