Q 3010445310.    

Assertion : `A\equiv(2, 2), B\equiv(6, -1)` and `C\equiv(7, 3) ` are the vertices of a `\triangle ABC`. D, E, F are the mid-points of the sides BC, CA and AB respectively. Area of the `\Delta DEF ` is equal to ` \ frac {19}8` square units.

Reason : Lines joining the mid-points of the sides of a triangle divide the triangle into four triangles of equal areas.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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