angle of quadrilateral are in the ratio. 2 : 3 : 7 : 8. Find all angles?
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The ratio of angles of quadrilateral are 2:3:5:8
⇒ Let the four angles be 2x,3x,5x and 8x
We know, sum of four angles of quadrilateral is 360
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∴ 2x+3x+5x+8x=360
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⇒ 18x=360
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⇒ x=20
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The angles are,
⇒ 2x=2×20
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=40
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⇒ 3x=3×20
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=60
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