## Area of Square, Rectangle, Parallelogram, Frustum of a Cone

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**About The Calculator**

Area of square, perimeter, diagonal of a square, volume and curved surface area of frustum of a cone is computed using a step by step area and volumes calculator, a simple but powerful calculator that compute with step. The tool also calculates the total surface area of frustum of a cone, area and perimeter of a rectangle, diagonal of a rectangle. It is packed with a clean worksheet for the calculation of area and perimeter of a parallelogram.

**Calculator Basics, Area of Square**

The area of a square is the length of a side times the length of a side.

The area of a square is A = s*s.

The perimeter of a square is the sum total length around all four sides.

The perimeter of a square is P = 4*(s+s+s+s).

The diagonal of a square is the distance from one corner to an opposite corner.

The diagonal of a square is d = sqrt(2)*(s-s).

**Some Facts**

- The area of a square is found by multiplying the length of a side by itself. For example, if the side is 3, then the area would be 9.
- The perimeter of a square is found by adding up all four sides. For example, if the side is 3 and each side has a length of 1, then the perimeter would be 4.
- The diagonal of a square is found by dividing one side with another. For example, if one side has a length of 3 and another has a length of 1, then the diagonal would have a length of √3 ≈ 1.73

**Volume of a Rectangular Prism**

Volume of a rectangular prism is the area of the base times the height. The volume of a frustum of a cone is equal to the volume of the right circular cylinder with height equal to the height of the frustum and radius equal to the slant height.