In ΔABC, P and Q are the mid-points of the sides AB and AC, respectively. R is a point on the segment PQ such that PR ∶ RQ = 1 ∶ 3. If PR = 4 cm, then BC is equal to:
1
32 cm
2
36 cm
3
24 cm
4
28 cm
In ΔABC, P and Q are the mid-points of the sides AB and AC, respectively. R is a point on the segment PQ such that PR ∶ RQ = 1 ∶ 3. If PR = 4 cm, then BC is equal to: