alisayl1909 alisayl1909

17-09-2020
Mathematics

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ABCD is a quadrilateral.
AB=CD
Angle ABC = angle BCD
Prove that AC = BD

ABCD is a quadrilateral ABCD Angle ABC angle BCD Prove that AC BD class=

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Аноним Аноним

17-09-2020

Answer:

compare the triangles ΔABC and ΔBCD

∡ABC = ∡BCD (given)

AB = CD (given)

BC = BC (common) } = > (SAS) ΔABC ≡ ΔBCD = > AC = BD

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