Question

Triangle ABC is an equilateral triangle with each side of length 10 cm and O is a point in the
interior of the triangle. If P, Q and R are mid-points of AO, BO and CO respectively, then find the perimeter of triangle PQR

Answer 1

5 cm. Triangle is equilateral and the points are interior so the triangle formed by join the midpoints would be 1/6 of the present triangle. The perimeter of ABC is 30. Therefore PQR is 5 cm.

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