Question

Triangle abc similar to triangle pqr and their areas be respectively 64cm sq and 121cmsq qr is 15.4 find bc

Answer 1

Answer:

Step-by-step explanation:

Ar( triangle abc)/ar(triangle pqr)= (bc/qr)^2

64/121= (bc/15.4)^2

8/11= bc/15.4 ( taking square to become root on other side)

Bc= 8*15.4/11= 11.2 cm