the length of one diagonal of a rhombus is 26 cm and one of its side is 12 cm. Find the length of second diagonal
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REF.Image.
In △ABO , applying Pythagoras
AB ^2 =AO^ 2+OB^ 2
10 ^2 =6 ^2 +OB ^2
100−36=OB ^2
OB=8
BD=2OB
=2×8
=16cm
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