Q26 of 160 Page 144

The angles of the quadrilaterals are in the ratio 1:2:3:4, the smallest angle is

Let the angles be x ,2x ,3x ,4x


Sum of interior angles of a quadrilateral = 3600


x + 2x + 3x + 4x = 3600


⇒ 10x = 3600


⇒ x = 360

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