Question
Mathematics Question on Similarity of Triangles
△ABC∼△DEF, the area of △ABC=9 cm2 and the area of △DEF = 16 cm2. If BC=2.1 cm, then EF=
A
2.8 cm
B
4.2 cm
C
2.5 cm
D
4.1 cm
Answer
2.8 cm
Explanation
Solution
The correct option is (A): 2.8 cm.