Question

Points D(-4, 6), E(5, 3), and F(3, -2) are the vertices of triangle DEF. Find the perimeter of the triangle.

Answer 1

first find the distance between the points, then add them together, the distance formula is:\[\sqrt{(y_{2}-y_{1})^2+(x_2-x_1)^2}\]

Answer 2

which points do i use ?