To find the surface area of a rectangle, you require its length and width:
- Convert the length and width into the same unit. We must measure them both in the same unit. For example, if the length is 5 m, and width is 2 ft, convert both to either m or ft.
- Multiply this length and width to obtain the area in corresponding units.
- Double-check your answer using the surface area of a rectangle calculator.
What is the formula to find the area of a rectangle?
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. A square is a rectangle with 4 equal sides.
How do you calculate the area of a rectangle?
Write down the formula for the area of a rectangle, A = l x w. In the formula for area (A), l is the length and w is the width of the rectangle. The units for area can be any unit for the measure of length squared: feet squared, meters squared, centimeters squared, etc.
What is the formula for finding surface area?
- For this formula, A is the area of a triangle which is A = 1/2bh where b is the base of the triangle and h is the height.
- P is simply the perimeter of the triangle which is calculated by adding all three sides of the triangle together.
- The units of surface area will be some unit of length squared: in 2, cm 2, m 2, etc.
How do you find the dimensions of a rectangle?
To find the dimensions of a rectangle, you will start with a few measurements and choose the correct equations to plug them into. The two main dimensions of a rectangle are length (L) and width (W). Measure those in feet and inches with a tape measure or ruler. From there, you can calculate area or perimeter.
What is the difference between surface area and total surface area?
Surface area can be found for any shape, and it can be found for any part of an object. Total surface area is the surface area of the entire object...
How do you find the total surface area of an object?
Finding the total surface area of an object means finding the surface area of each of the object's individual faces and then adding the measurement...
What is total surface area?
Total surface area is the total area, in square meters, of the outside surface of an object. In the case of a geometric shape like a cube or cylind...
Surface area of a rectangle equation
A rectangle is a closed figure with four sides, whose opposite sides are equal. Hence, two sides or dimensions are sufficient to describe a rectangle — its length (sometimes called height) and its width (sometimes called breadth).
How to find the surface area of a rectangle?
To find the surface area of a rectangle, you require its length and width:
How do I use this surface area of a rectangle calculator?
Enter the length of the rectangle in its appropriate field. Ensure you've picked the suitable units.
Other rectangle calculators
If you're in need for calculating other rectangle related parameters, use our collection below:
How to use the surface area calculator?
Use it to check your answer or use it to perform the calculation for you . Here are the steps to follow for this online tool:
How to find the surface area of a rectangular prism?
You can use it to find the surface area of the most common shapes. To find the surface area of a rectangular prism, first perform the calculations to find the areas of the rectangular sides:
How to find the surface area of a cylinder?
To solve for the surface area of a cylinder, you need to have two values which are the height and the diameter or radius of the base. Generally, the formula for the base of a circle is:
What is a pyramid?
A pyramid is a 3D shape with triangular lateral faces and a polygonal base. Usually, pyramids usually have a regular polygon base. This is the type of pyramid we will use for this particular surface area calculation. The formula to use is:
What is surface area?
Surface area refers to the total area that an object’s surface occupies. It can also refer to the total area of a 3D object’s surface. Sometimes, you can split the surface area into the sum of the lateral surface area and the base area/s.
How many congruent edges does a cube root have?
You also have to wrap the math club's vaunted Cube Root Cube for summer storage. The cube has 12 congruent edges, each 45 cm 45 c m. Work first; then peek.
How many faces does a cube have?
This works because every dimension of a cube -- width, height, and length -- is the same. Any two measurements will give the area of one face, and the cube has six faces, so the area is 6a2 6 a 2. If you have trouble remembering that special formula, you can always use the general one for rectangular prisms.
What is a rectangular prism?
A rectangular prism is a six-faced, three-dimensional solid in which all the faces are rectangles. All six faces meet at right angles to one another. Opposite faces are congruent. A special type of rectangular prism is a cube, in which all six faces are congruent.
How to find surface area of a rectangular prism?
Finding surface area for all rectangular prisms (including cubes) involves both addition and multiplication. You must know the width, length and height of the prism before you can apply this formula:
How many square feet is 864 in2?
You need 864 in2 864 i n 2 of paper, which is only six square feet!
What are the abbreviations for width?
We can use common abbreviations for width ( w w ), length ( l l) and height ( h h) and recast the formula:
Do you need to cover a boa constrictor cage?
You need to cover the travel cage for your pet boa constrictor so you can carry it on the school bus. What is the surface area of the cage?
How to solve for H?
Assuming all the other values are known, you would manipulate the equation to solve for H: SA = 2LW + H (2L + 2W). Then SA - 2LW = H (2L + 2W), and (SA - 2LW) / (2L + 2W) = H. Then find H by plugging in the known values for SA, L and W.
How to increase 50 by 10%?
If you're asking how to increase 50 by 10%, calculate 10% of 50, and add that number to 50.
How to measure a box?
Measure the height of the box , or the distance from the floor to the top. Make sure you don't measure the same side as the length. Example: The height of the box is 4 feet. ...
How to find the surface area of a rectangle?
Add together the area of each side to get the surface area of the box. Surface area is the total area of each side. As long as you know how to find the area of a regular rectangle, which is simply the length times the height, you can find each side and add them together. However, there is also a simplified formula that will do this for you if you know the measurements of the box:
How many people edit wikihow?
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How to find the height of a cylinder?
Find the height of the cylinder by measuring the space between the two bases. The height of a cylinder is just another way to figure out how long it is. It is the straight line between the center of the two bases.
What is the height of a cylinder with radius 2 inches?
Example: In the same cylinder, with radius 2 inches, the height is 5 inches.