Question

the angles of a quadrilateral are in the ratio 5:7:11:13 ,find all the angles of the quadrilateral. ​

Answer 1

sum of angles in a quadrilateral =360

so

5x+7x+11x+13x=360

36x=360

x=360/36

x=10

so 5x=50

7x=7×10=70

11x=11×10=110

13x=13×10=130

Answer 2

let the angles be 5x 7x 11x &13x

=> 5x+7x+11x+13x=360°

=> 36x=360

=> x=10°

so angles are 50° , 70°, 110°, & 130°

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