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Question

If AD is the median of a triangle ABC and area of triangle ADC=15 cm2, then ar(ΔABC)15= ____.


A

93 cm2

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B

4 cm2

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C

164 cm2

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D

2 cm2

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Solution

The correct option is D

2 cm2


Since AD is the median of ΔABC
ar(ΔABD)=ar(ΔADC)

=12 ar(ΔABC)=15
( The median of a triangle divides it into two triangle of equal areas)
12ar(ΔABC)=15
ar(ΔABC)15=2


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