ma mb mc 0

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1

In triangle ABC the medians AD,BE,CF intersect at G. Prove that ar(AGB) = 13 ar(ABC) 

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2

Which of the following is the point of intersection of medians of a triangle?

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3

In the figure below, ABC is a right angled triangle and M is the midpoint of AB.

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(a) Prove that .

(b) Prove that MC = MA = MB.

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4

In a triangle ABC, the medians BE and CF intersect at G. Prove that ar(∆BCG) = ar(AFGE).

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The medians BE and CF of  a ABC intersect at G. Prove that ar(ABC)=ar(quadrilateralAFGE).

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