Question

In the given figure P, Q and R are the mid-points of AB, BC and AC respectively.
QR = 4.2 cm, PR = 5.0 cm and PQ = 4.8 cm. Find the length of AB, BC and CA.

Answer 1

Answer:

BC=2PR

BC=2(5)

BC=10 cm

Similarly,

 QR=21AB

QR=21(8.4)

QR=4.2 cm

and AC=2PQ

AC=2(4.8)

A=9. cm