Question

Q.12 The angles of a quadrilateral are in the ratio 4: 5: 10:11. The angles are:

Answer 1

Answer:

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Answer 2

Answer:

The angles are 36°, 45°, 90° and 99°.

Step-by-step explanation:

Let the angles be 4x, 5x, 10x, 11x.

Sum of angles of quadrilateral =360°

4x+5x+10x+11x=360

40x=360

x=360/40

x=9

4x=9*4=36°

5x=9*5=45°

10x=10*9=90°

11x=11*9=99°

Therefore the angles are 36°, 45°, 90° and 99°

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