ΔABC is similar to ΔDEF

MATHEMATICS · Single correct · CBSE · Mathematics · Triangles · Triangles

Problem

ΔABC is similar to ΔDEF. If AB : DE = 1 : 2 and the area of ΔABC is 45 cm², find the area of ΔDEF. (a)

90\text{ cm}^2

(b)

22.5\text{ cm}^2

(c)

180\text{ cm}^2

(d)

360\text{ cm}^2