Question

21. A(-4, 2), B(0, 2) and C(-2, -4) are vertices
of a triangle ABC. P, Q and R are mid-points
of sides BC, CA and AB respectively. Show
that the centroid of triangle PQR is the same as the
centroid of triangle ABC.
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Answer 1

... BC. ABC is a triangle right angled at C. If AB=25cm and AC= play ... D, E and F are the mid-points of the sides BC, CA play.