If angles of a quadrilateral are in the ratio 3 : 5 : 9 : 13. Find the largest angle?

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RRB Non Technical Exam (Secunderabad) 2016 click here to view all questions

If angles of a quadrilateral are in the ratio 3 : 5 : 9 : 13. Find the largest angle?

A155

B170

C156

D150

rihad ? Jan 10 '2020 at 14:17

Correct answer is: 156

Explanation:

Let the angles be 3x, 5x, 9x, 13x

3x + 5x + 9x + 12x = 360.

 30x = 360

x = 120

 Angles are 36, 60, 108, 156.

largest angle is 156

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Correct answer is: 156 Explanation: Let the angles be 3x, 5x, 9x, 13x 3x + 5x + 9x + 12x = 360.  30x = 360 x = 120  Angles are 36, 60, 108, 156. largest angle is 156 rihad ? answered Jan 10 '2020 at 14:17 All Comments

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