Area of Triangle and Rectangle on the Same Base and between the Same Parallels
In the diagra...
Question
In the diagram ΔABC is right angled at C. Also M,N and P are the mid points of sides BC,AC and AB respectively. If the area of ΔAPN is 2 sq cm, then the area of ΔABC in sq cm is:
A
8 sq cm
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B
12 sq cm
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C
16 sq cm
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D
4 sq cm
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Solution
The correct option is A8 sq cm Ar. of triangle = 12×Base×Height Ar(△APN)=12AN×PN 2=12AN×PN AN×PN=4 (2×AN)(2×PN)=16 AC×BC=16 12AC×BC=8 ⇒Ar(△ABC)=8 sq cm