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Three angles of a quadrilateral are equal and the fourth angle is equal to 144°. Find each of the equal angles of the quadrilateral. |
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Answer» Let each equal angle of given quadrilateral be x. We know that, sum of all interior angles of a quadrilateral is 360°. ∴ x + x + x + 144° = 360° 3x + 144° = 360° 3x = 360° - 144° 3x = 216° x = 72° Hence each equal angle of the quadrilateral is of 72° measures. |
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