Answer
True
Work Step by Step
You are given the proportion $\frac{W}{L}$=$\frac{3}{2}$
You are told the width is 5.1 cm, and length is 3.4 cm.
Substitute into the proportion given.
$\frac{5.1}{3.4}$=$\frac{3}{2}$
Cross multiply
3(3.4)=2(5.1)
10.2=10.2