Question

The angles of a quadrilateral are in the ratio 7:8:9:12 . Find the measure of each angle​

Answer 1

Step-by-step explanation:

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•Let the ratio be x :-

•Sum of angles of a quadrilateral = 360°

=> 7x + 8x + 9x + 12x = 360

=> 15x + 21x = 360

=> 36x = 360

=> x = 360 ÷ 36

=> x = 10

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Angles are :-

7x × 10 = 70

8x × 10 = 80

9x × 10 = 90

12x × 10 = 120

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Answer 2

Answer:

let the angles be 7x,8x,9x,12x

a/q

7x+8x+9x+12x=360

36x=360

x=360/36

x=10

angle=7x10=70°

8x10=80°

9x10=90°

12x10=120°