Question

The angles of a quadrilateral are in the ratio 5:9:10:12. Find the measure of these angles. *

1 

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Answer 1

Explanation:

5x + 9x+ 10x+ 12x = 360

36x = 360

x = 360/ 36

x = 10

5x = 5× 10 = 50

9x = 9× 10 = 90

10x = 10 × 10= 100

12x = 12 × 10 = 120

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