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In quadrilateral ABCD, ∠90^o If AD^2 = AB^2 + BC^2 + CD^2
CBSE Class 10
quadrilateral-abcd
Dhanalakshmi
July 6, 2019, 11:55am
1
In quadrilateral ABCD, ∠90
o
If AD
2
= AB
2
+ BC
2
+ CD
2
. Prove that ∠ACD=90
o
Dhanalakshmi
July 6, 2019, 11:55am
2