Question

A triangle ABC is enlarged, about the point O as centre of enlargement, and the scale factor is 3. Find : A' B', if AB = 4 cm.

Answer 1

Given that ABC is enlarged and the scale factor m = 3 to the triangle A' B' C'.

AB = 4

So, AB(3) = A'B'

`=>` (4)(3) = A'B'

`=>` A'B' = 12 cm