Mathematics

Problem

\Delta ABC

is similar to

\Delta DEF

with the correspondence

A \leftrightarrow D

B \leftrightarrow E

C \leftrightarrow F

. If

AB = 3\,\text{cm}

BC = 5\,\text{cm}

, and

DE = 4.5\,\text{cm}

, calculate

EF

. a)

5\,\text{cm}

7.5\,\text{cm}

3.33\,\text{cm}

11.25\,\text{cm}