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  2. How to calculate the area. To work out the area of a square or rectangle, multiply its height by its width. If the height and width are in cm, the area is shown in cm². If the height and...

    • Using the Length of a Side
    • Using a Known Diagonal
    • Using a Known Perimeter

    Let's say you're working with a square with a side length of 3 centimeter (1.2 in). Write it down.

    Understand the formula for the area of a square (Area=side^2).

    To calculate the area of any rectangle, you need to multiply its length by width. But since all squares have equal length sides, you can just multiply the distance by itself. If the length of a side of a square is 3 centimeter (1.2 in), then you just have to square 3 centimeter (1.2 in) to find the area of a square. 3 centimeter (1.2 in) x 3 centimeter (1.2 in) = 9 cm

    Be sure to state your answer in square units.

    Take the measurement of the length of the diagonal of the square.

    Understand the formula for the area using a known diagonal.

    Multiply the length of this diagonal's measurement by itself.

    Square the length of the diagonal. Let's say you're working with a square with a diagonal that is 5 centimeter (2.0 in) long. Now, square this number. 5 centimeter (2.0 in) x 5 centimeter (2.0 in) = 25 cm

    Divide the current number by 2.

    Continuing the calculation, 25 cm

    Multiply the perimeter by 1/4 to find the length of a side.

    This is the same as dividing the perimeter by 4. Since there are four sides to a square and each side is of equal length, you can find the length of a square just by dividing the perimeter by 4. Let's say the perimeter of the square you're working with is 20 centimeter (7.9 in). Just multiply 20 centimeter (7.9 in) by 1/4: 20 centimeter (7.9 in) x 1/4 = 5 centimeter (2.0 in). You know that the length of a side of the square is 5 centimeter (2.0 in).

    Multiply the length of the side by itself.

    Square the length of the side. Now that you know that the length of a side is 5 centimeter (2.0 in), you can square it to get the area of the square. Area = (5 cm)

    = 25 centimeter (9.8 in).

    If the area of the square is 9 cm, what is the volume of the cube?

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  3. Jul 30, 2024 · Whether you want to find the area knowing the square side or you need to calculate the side from a given area, this tool lends a helping hand. Read on and refresh your memory to find out what is the area of a square and to learn the formula behind the calculator.

  4. How to find the area of a square. In order to find the area of a square by counting unit squares: Be sure that the square is made of whole unit squares in an array. Count the unit squares to find the area. In order to calculate the area of a square: Identify the side length of the square. Write down the formula for the area of a square.

    • How do you measure the area of a square?1
    • How do you measure the area of a square?2
    • How do you measure the area of a square?3
    • How do you measure the area of a square?4
    • How do you measure the area of a square?5
  5. The area of a square is defined as the number of square units that make a complete square. It is calculated by using the area of square formula: Area = side × side, and the answer is given in square units.

  6. Understand how to calculate the area of square by counting the number of unit squares. Or simply by a formula, that is, squaring the side of a square (s^2).

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