Mathematics

Problem

ΔABC is similar to ΔDEF. If

AB = 9\,

cm,

DE = 6\,

cm and the altitude from

A

BC

6\,

cm, find the length of the altitude from

D

EF

. a)

6\,\text{cm}

3\,\text{cm}

4\,\text{cm}

9\,\text{cm}