Question

Q10) The angles of a quadrilateral ABCD are in the ratio 2:4:5:7. Find the
measure of all the four angles of the quadrilateral.
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Answer 1

Step-by-step explanation:

ratio of angle=2:4:5:7

then

consider

angle of quadrilateral is 2x,4x,5x,7x

then

sum of quadrilateral is 360

then

2x+4x+5x+7x=360

18x=360

x=20

then

4 angle of quadrilateral are

1)2x=2*20=40

2)4x=4*20=80

3)5x=5*20=100

4)7x=7*20=140