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Two angles of a quadrilateral are 68° and 76°. If the other two angles are in the ratio 5 : 7; find the measure of each of them. |
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Answer» Two angles are 68° and 76° Let other two angles be 5x and 7x ∴ 68°+ 76° + 5x + 7x = 360° 12x + 144° = 360° 12x = 360° – 144° 12x = 216° x = 18° angles are 5x and 7x i.e. 5×18° and 7×18° i.e. 90° and 126° |
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