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Question

The angles of a quadrilateral ABCD are in the ratio 1:2:3:4. Find the value of all the angles of the quadrilateral ABCD.

A
36, 72, 108 and 144
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B
54, 72, 118 and 124
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C
15, 72, 90 and 150
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D
18, 32, 108 and 164
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Solution

The correct option is A 36, 72, 108 and 144
Let the smallest angle of the quadrilateral be x.

Then, the other three angles will be 2x, 3x and 4x.

Now, we know that sum of all the angles of the quadrilateral is equal to 360.

x + 2x + 3x + 4x = 360

10x = 360

x = 36

Hence, all the four angles of the quadrilateral are 36, 72, 108 and 144.

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