Finding the perimeter of a triangle
Click and drag any point, or the entire triangle.
i. Find the length of each side
Distance between two points = x2−x12+y2−y12
AB
BC
AC
ii. Add up the lengths of each side of the triangle
Perimeter = Side AB + Side BC + Side AC
More MathApps
MathApps/AlgebraAndGeometry
Download Help Document