Given below are the coordinates of the vertices of a triangle. Find the lengths of the sides of the triangle, then click to identify the triangle as scalene, isosceles, or equilateral.

R(1, 3), S(3, 1), T(5, 2)

Question

Given below are the coordinates of the vertices of a triangle. Find the lengths of the sides of the triangle, then click to identify the triangle as scalene, isosceles, or equilateral.

R(1, 3), S(3, 1), T(5, 2)

anonymous · Answer

Use the distance formula to calculate the distance between each pair of points. Then compare the distances to see how the triangle would look. $$d=\sqrt{(x _{2}-x _{1})^2 +(y _{2}-y _{1})^2 }$$