Area of a square = side times side. Since each side of a square is the

**same**, it can simply be the length of one side squared. If a square has one side of 4 inches, the area would be 4 inches times 4 inches, or 16 square inches. (Square inches can also be written in^{2}.)Also to know is, what is the formula for perimeter?

A Rectangle's

**Perimeter**. The**perimeter**of a rectangle is equal to the sum of all the sides. However, since a rectangle's opposite sides are congruent, we only need to know the length and width. We can write this in an**equation**this way: P = l + w + l + w.How do you find the perimeter given the area?

**Method 2**

**Calculating the Perimeter When Area is Known**

- Know the formula for the area of a square. The area of any rectangle (remember, squares are special rectangles) is defined as its base times its height.
- Find the square root of the area.
- Multiply the side length by 4 to find the perimeter.

1

## What is the formula for calculating density?

The Density Calculator uses the

**formula p**=m/V, or density (p) is equal to**mass**(m) divided by**volume**(V). The calculator can use any two of the values to calculate the third. Density is defined as**mass**per unit**volume**.2

## What is the formula for total surface area?

**Surface area**is the sum of the

**areas**of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. We can also label the length (l), width (w), and height (h) of the prism and use the

**formula**, SA=2lw+2lh+2hw, to find the

**surface area**.

3

## What is the formula for the circumference of a?

**Circumference Formula**. The

**circumference formula**is used to calculate the distance around a circle.

**Circumference formulas**: C = 2πr or C = πd. r is the radius and d is the diameter.

4

## Is the formula for the area of a circle?

The

**formula**to find a**circle's area**(radius)^{2}usually expressed as π ⋅ r 2 where r is the radius of a**circle**. The**area of a circle**is all the space inside a**circle's**circumference.5

## How do you calculate the area?

To find the

**area**of a rectangle multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the**area**.6

## What is the formula for the area of a?

Area of a square = side times side. Since each side of a square is the

**same**, it can simply be the length of one side squared. If a square has one side of 4 inches, the area would be 4 inches times 4 inches, or 16 square inches. (Square inches can also be written in^{2}.)7

## What is the formula for perimeter?

Calculating the area and the perimeter. The perimeter is the length of the outline of a shape. To find the perimeter of a

**rectangle**or**square**you have to add the lengths of all the four sides. x is in this case the length of the**rectangle**while y is the width of the**rectangle**.8

## What is the formula for the area of a rectangle?

**Area**is 2-dimensional: it has a length and a width.

**Area**is measured in square units such as square inches, square feet or square meters. To find the

**area**of a

**rectangle**, multiply the length by the width. The

**formula**is: A = L * W where A is the

**area**, L is the length, W is the width, and * means multiply.

9

## How do I find the perimeter of a rectangle?

To

**find the perimeter**of a**rectangle**, add the lengths of the**rectangle's**four sides. If you have only the width and the height, then you can easily**find**all four sides (two sides are each equal to the height and the other two sides are equal to the width). Multiply both the height and width by two and add the results.10

## How do I calculate the area of a triangle?

To find the

**area**of a**triangle**, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into 2 triangles. For example, in the diagram to the left, the**area**of each**triangle**is equal to one-half the**area**of the parallelogram.11

## What is the formula for mass?

Originally Answered: What is the formula for mass? The weight of an object is the

**force**of gravity on the object and may be defined as the mass times the acceleration of gravity, w = mg. Since the weight is a**force**, its SI unit is the newton. Density is mass/volume.12

## How do I find the volume?

Make sure that measurements are in the same units. Multiply the length by the width by the height. Check that the units are correct, e.g. m3

**Volume**of a cuboid = length x width x height.**Volume**measures the total amount of space taken up by a three-dimensional object such as a storeroom or a box.13

## What do you mean by areas?

**Math**Term

**Definition**.

**Area**. The

**area**of a flat, or plane figure is the

**number**of unit squares that can be contained within it. The unit square is usually some standard unit, like a square meter, a square foot, or a square inch.

14

## What is the formula for the volume of a prism?

The

**formula for the volume of a prism**is V = B h , where is the base area and is the height. The base of the**prism**is a rectangle. The length of the rectangle is cm and the width is cm. Therefore, the**volume**of the**prism**is cubic centimeters.15

## What is the formula for finding the area?

The most basic

**area formula**is the**formula**for the**area**of a rectangle. A = lw (rectangle). That is, the**area**of the rectangle is the length multiplied by the width. As a special case, as l = w in the case of a square, the**area**of a square with side length s is given by the**formula**: A = s^{2}(square).16

## How do you find the surface area of a rectangle?

**Part 1**

**Finding the Surface Area**

- Label the length, width, and height of your rectangular prism.
- Look at the six faces of the prism.
- Find the area of the bottom face.
- Find the area of the top face.
- Find the area of the front and back faces.
- Find the area of the left and right faces.
- Add the six areas together.

17

## What is the formula for volume?

**Volume**is measured in "cubic" units.

**Volume**of a cube = side times side times side. Since each side of a square is the same, it can simply be the length of one side cubed. If a square has one side of 4 inches, the

**volume**would be 4 inches times 4 inches times 4 inches, or 64 cubic inches.

18

## How do you figure out the perimeter of a triangle?

**Method 1**

**Finding the Perimeter When Three Side Lengths are Known**

- Remember the formula for finding the perimeter of a triangle.
- Look at your triangle and determine the lengths of the three sides.
- Add the three side lengths together to find the perimeter.
- Remember to include the units in your final answer.

19

## What is the equation for volume?

The

**formula**to find the**volume**multiplies the length by the width by the height. The good news for a cube is that the measure of each of these dimensions is exactly the same. Therefore, you can multiply the length of any side three times. This results in the**formula**:**Volume**= side * side * side.20

## What is the formula for volume in science?

The formula that relates

**density**, mass, and volume looks like this: Here, m represents the mass of an object or material, V represents the volume, and the curly p (which is the Greek letter rho) represents the**density**. Sometimes, people can use non-standard or non-scientific units.