Question

2. ∆ABC ~ ∆PQR, A(∆ABC) = 16, A(∆PQR) = 25, then find the value of the ratio AB/PQ = ........ *
2 points

Answer 1

Step-by-step explanation:

Ar. (△ABC) = 49cm2

Ar. (△PQR) = 25cm2

AB=5.6cm

For similar triangles the ratio of areas is equal to the ratio of square of its sides.

Thus, A(△PQR)A(△ABC)=PQ2AB2

2549=PQ2(5.6)2

PQ2=4931.36×25

PQ2=16

PQ=4cm