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(ii) Verity. The angle sum property of a quadrilateral |
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Answer» The SUM of the ANGLES of the quadrilateral is 3600. In the case of SQUARE and rectangle, the MEASURE of all the angles is 900. that is, ∠ABC + ∠BCD + ∠CDA + ∠DAB = 360°. ... By the ANGLE sum property, the sum of angles in a triangle is 180°. |
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