An online hypotenuse of a triangle calculator 100 free and helps you to find the length of different sides of a triangle quickly. For example if one side of the triangle is 10 cm long the midpoint will be at 5 cm since. What Is The Length Of Line Ab Geometry Problems Right Triangle Abs Solution to Problem 3. . Find the centroid of a triangle whose vertices are 3 4 5 7 and 4 7. We can find the centroid of a triangle by calculating the average of x- coordinate points and y - coordinate points of all three vertices of a triangle. If the triangle were cut out of some uniformly dense material such as sturdy cardboard sheet metal or plywood the centroid would be the spot where the triangle would balance on the tip of your finger. To find the midpoint measure the side and divide the length in half. A triangle is a polygon with three edges and three verticesIt is one of the basic shapes in geometryA triangle with vertices A B and ...