Question

Find the perimeter of the triangle whose vertices are the following specified points in the plane. (0,−9),(1,−1) and (3,6)

Answer 1

Find the lengths of the three segments, then add them up

I will do the length between the first two points, you do the other two.

L = √( (1-0)^2 + (-1+9)^2 )
= √(1 + 64)
= √65
etc

let me know what you answer is