Area of Equilateral Triangle. Where l Length. Perimeter of Rectangle 2 length breadth Perimeter of triangle sum of all sides of triangle a b c.
Volume 13 area of the base X height V bh b is the area of the base Surface Area.
Area of n gon. Area of Triangle 1 2 Base Height Altitude Area of a parallelogram Base Height. Perimeter of a Rectangle 2 lb Area of a Rectangle L X B Diagonal of a Rectangle l2b2. The perimeter is the distance around the outside of a shape.