Question

What is lenght of side bc round your answer to the nearest tenth.

Answer 1

`\begin{gathered} BC=√((x2-x1)^2+(y2-y1)^2) \\ x2=3 \\ x1=1 \\ y2=1 \\ y1=1 \\ BC=√((3-1)^2+(1-1)^2) \\ BC=√((2)^2+0) \\ BC=√(4) \\ BC=2 \\ The\text{ length of the side BC is 2} \end{gathered}`