In PQR, A, B and C are the mid points of QR, RP and PQ respectively. If the lengths of sides PQ, QR and RP are 7 cm, 8 cm and 9 cm respectively, find the perimeter of ABC. 



Asked by Topperlearning User | 11th Aug, 2017, 12:00: PM

Expert Answer:

By mid point theorem,
Perimeter of ABC = CB + BA + AC = (4 + 3.5 + 4.5) cm = 12 cm

Answered by  | 11th Aug, 2017, 02:00: PM