Question

On a coordinate plane, the coordinates of vertices R and T for a polygon are R(−6, 2) and T(5, 2). What is the length of Side RT of the polygon?

Answer 1

The length could be 7 units

Explanation:

Answer 2

Use the formula
D=sqrt[ (x2-X1)^2 + (Y2-Y1)^2]

= sqrt(11^2+0^2)=11.

Sqrt means square root.