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Sum of interior angles of a quadrilateral is 360° |
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Answer» learned that the sum of internal angles of a QUADRILATERAL is 360°, that is, ∠ABC + ∠BCD + ∠CDA + ∠DAB = 360°. let's PROVE that the sum of all the FOUR angles of a quadrilateral is 360 degrees. We know that the sum of angles in a TRIANGLE is 180°. |
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