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CBSE Class 8 Answered

Four angles of a quadrilateral are in the ratio 3:5:7:9. Find the angles.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Let the four angles be 3x, 5x, 7x, 9x. By angle sum property

3x + 5x + 7x + 9x = 360°

24x = 360°

x = = 15°

Hence, the angles are 3 x 15° = 45° 

5 x 15° = 75°

7 x 15° = 105°

9 x 15° = 135°

Answered by | 04 Jun, 2014, 03:23: PM
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