Answers

2014-11-17T20:52:47+05:30
{½ diagonal}²= side²--{½ diagonal}²
= Altitude²= side² -- Altitude²
=6²--4²= 36—12=20
Altiftude=4√2
So,diagonal 1=8√2
Area= ½×8√2=16√2 sq.cm
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