Update ANS: Class 9 ICSE SELINA Math EX 13B question 10 Diagonals of rhombus ABCD intersect each other at point O. Prove that: OA^2 + OC^2 = 2AD^2 - BD^2/2

7 Apr 2020

Class 9 ICSE SELINA Math EX 13B question 10 Diagonals of rhombus ABCD intersect each other at point O. Prove that: OA^2 + OC^2 = 2AD^2 - BD^2/2

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