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CBSE Class 10 Answered

In quadrilateral ABCD, angle B space equals space 90 degree. If AD2 = AB2 + BC2 + CD2. Prove that angle A C D space equals space 90 degree.

Asked by Topperlearning User | 26 Jul, 2017, 01:58: PM
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Answered by | 26 Jul, 2017, 03:58: PM
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