Question

Evan cut a triangular piece of cloth to use in a quilt. The perimeter of the cloth is 934 cm. The base of the triangular cloth is 214cm. The remaining two sides are the same length.Choose Yes or No to tell if each expression models how to find the length of the other two sides of evan cloth

Answer 1

The perimeter is represented by the add of all sides of the triangle:

Let s be the sides missing

$\begin{gathered} 9\frac{3}{4}=2\text{ }\frac{1}{4}+2s \\ 2s=9\frac{3}{4}-2\frac{1}{4} \end{gathered}$