Question

in angles of a quardrilateral are in the ratio 3:5:9:13.find all angels of quardilateral​

Answer 1

Answer:

Quadrilateral are 30°,20°,40°

Answer 2

Answer:

let the angle of Quardrilateral 3x 5x 9x 13x

we know that the sum of all side of quardrilateral is 480....

A + B + C + D = 360°

3x + 5x + 9x + 13x = 360°

30x = 360°

x = 360 / 30

x = 12

angle A = 3x

= 3 × 12

= 36°

angle B = 5x

= 5 × 12

= 60°

angle C = 9x

= 9 × 12

= 108°

angle D = 13x

= 13 × 12

= 156°

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