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Question

If AD is median of ABC and area of ACD=15 cm2, then area of ABC is

A
30 cm2
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B
22.5 cm2
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C
15 cm2
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D
10 cm2
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Solution

The correct option is A 30 cm2

We know that, the median of a triangle divide it into two triangles of equal area.
AD is median ofABC
ar(ACD)=ar(ABD)=15cm2
Area of ABC=ar(ACD)+ar(ABD)
Area ofABC=15 cm2+15 cm2=30 cm2

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