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Mathematics, 27.12.2020 06:00 iBrain
Give the parallelogram ABCD with AB = 4 cm, BC = 6 cm, the angle created by the two diagonals is 45 deg. Calculate the area of the parallelogram
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Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
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Give the parallelogram ABCD with AB = 4 cm, BC = 6 cm, the angle created by the two diagonals is 45...
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