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Theorem 10.25. Every parallelogram has the following properties. (a) Each diagonal cuts it into a pair of congruent triangles
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we have - ABCD is a lign to prove - AABD = ACDB. A B = CD AD = CB LA=LC AD =co BO=OD. Prof Consider angles) AABD Ž A CDB LABD

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prove this theorem Theorem 10.25. Every parallelogram has the following properties. (a) Each diagonal cuts it...
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