How to find the perimeter of a square

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SSAT Elementary Level Quantitative › How to find the perimeter of a square

Questions 1 - 10
1

What is the perimeter of a square that has a side measuring 1 inch in length?

Explanation

Perimeter is the sum of all the sides. For a square,

Therefore, for this square,

2

If the area of a square is , what is the perimeter of the square?

Explanation

Write the formula for the area of a square and substitute the area. The side length is needed to find the perimeter.

There are sides in a square.

3

Screen_shot_2014-03-08_at_2.45.54_pm

What is the perimeter of the square?

Explanation

To find the perimeter of a square, add all four sides together. Since each side of a square is the same length, we only need one side's length to figure out the perimeter of a square!

4

Screen_shot_2014-10-11_at_10.05.25_pm

What is the perimeter of the above square?

Explanation

To find the perimeter of the square, add all four sides together. Even though we are not given the length of all four sides, we know each side is the same length because all squares have four equal sides.

5

If the perimeter of a square is , what is the length of each side?

Round your answer to the nearest whole number.

Explanation

Since all four sides of a square have the same length, we can multiply the length by to find the perimeter:

Plug in the perimeter and solve for the unkown length:

6

If the perimeter of a given square is , then what is the length of its sides?

Explanation

The perimeter of a square is times the length of its side. If the perimeter is given, you divide it by to get the side length. The answer would be .

7

Screen_shot_2014-01-11_at_1.40.18_pm

What is the perimeter of the square?

Explanation

To find the perimeter of this square, add all four sides together. Even though we are only given one side's length, every side of a square always has the same length!

8

Use the following to answer the question.

Square2

Find the perimeter of the square.

Explanation

To find the perimeter of a square, we will use the following formula:

where a, b, c, and d are the lengths of the sides of the square.

If we look at the square

Square2

we can see one length is 7in. Because it is a square, we know that all of the sides are equal or the same. Therefore, all sides are 7in. Knowing this, we can substitute into the formula. We get

9

Find the perimeter of the given square.

What is the perimeter of the square if one side of the square is 24cm.

Explanation

To find the perimeter of a square, you must first understand that all sides of a square are equal. To find the perimeter of a figure you add all sides together. To find the perimeter of this square you could use two ways.

or

Either way you will end with the same answer 96cm. The cm are not squared when finding perimeter because you are adding your values together, not multiplying them.

10

What is the perimeter of a square with an area of ?

Explanation

Write the area of the square.

Substitute the area and solve for the square's side.

Since there are four equal sides in a square, multiply the side by four.

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