## Geometry: Common Core (15th Edition)

The extended ratio shows the width to length ratio as 2:1. You are given a width of 5.1 cm and a length of 3.4 cm. $\frac{2}{1}$=$\frac{5.1}{3.4}$ Cross multiply. 5.1=2(3.4) 5.1$\ne$6.8