Question

Four angles of a quadrilateral are in the ratio 3 : 4 : 5 : 6. Find its angles.

Answer 1

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Answer 2

Step-by-step explanation:

Four angles of a quadrilateral are in the ratio 3 : 4 : 5 : 6.

so,

sum of the angle=360°

since these angles are in ratio 3:4:5:6

Degree measure of the angles are in 3k,4k,5k,6k, where k is constant.

3k+4k+5k+6k=360°

18k=360°

k=360/18

k=20°

3k=3×20

=60°

4k=80°

5k=100°

6k=120°

hence proved