Question

P, Q and R are respectively the mid-points of sides DF, DE and EF of Δ DEF. Find the ratio of the areas of Δ PQR and Δ DEF

Answer 1

Answer:

If perimeter of Δ ABC is 12.8 cm, then perimeter of Δ DEF is : ... D,E,F are the mid points of sides AB,BC and CA respectively ... then find p2+q2+r2(AB)2+(BC)2 +(CA)2.