Question

37.
The angles of a quadrilateral are in the ratio
2:4:5:7. Find all the angles.
Find all the angles of the given cyclic
quadrilateral ABCD in the figure.
1
38.
7x + 2°
4y -4°
1
2y+4° 6x – 4
39.
Show that the noints (710)​

Answer 1

Step-by-step explanation:

the sum of the angles in a quadrilateral is 360°

here the ratio given is 2x : 4x : 5x : 7x

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

18x = 360

x = 360 ÷ 18 = 20

then 2x = 2(20) = 40

4x = 4(20) = 80

7x = 7(20) = 140

5x = 5(20) = 100

Answer 2

Step-by-step explanation:

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