In the diagram ΔABC is right angled at C. Also, M,NandP are the mid points of sides BC,ACandAB respectively. If the area of ΔAPN is 2sq.cm, then the area of ΔABC in sq.cm is
A
8
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B
12
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C
16
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D
4
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Solution
The correct option is A8
Let AN=NC=x
and MC=MB=y Area of ΔAPN=2 12×PN×AN=2 PN×AN=4 PN=4x y=4x [∵MC=yandPN=y] xy=4 Area of ΔABC=12×BC×AC [∵BC=2MC=2yandAC=2x] =12×2y×2x =2xy=2(4)=8cm2.