Question

The four angle of quadrilateral are in the ratio of 3 ratio 5 ratio 9 find the angles

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

Angles in quadrilateral= 3:5:9:13

let angle A be 3x, angle B be 5x, angle C be 9x, angle D be 13x

we know, sum of angles in quadrilateral is 360°

⇒angle A +B+C+D = 360°

        3x+5x+9x+13x=360

                         20x=360                    

                              x=360/12

                              x=18

∴angle A=3×18=54

            B=5×18=90

            C=9×19=162

             D=13×18=234

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