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If D,E,F are the mid-points of the sides BC, CA and AB respectively of a triangle ABC, prove by vector method that Area of `Delta DEF` = 1/4 Area of `

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If D,E,F are the mid-points of the sides BC, CA and AB respectively of a triangle ABC, prove by vector method that Area of `Delta DEF` = 1/4 Area of `Delta ABC`
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Correct Answer - `1:4`
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