How to find the perimeter of a square in pre-algebra

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Math › How to find the perimeter of a square in pre-algebra

Questions 1 - 10
1

What is the perimeter of a square with a side length of ?

Explanation

To find the perimeter of a square you must multiply the side length by .

To do this we plug the side length into the equation

Multiply the side length, , by to get the answer .

2

What is the perimeter of a square with a side length of ?

Explanation

To find the perimeter of a square you must multiply the side length by .

To do this we plug the side length into the equation

Then multiply the side length by ,

The answer is .

3

One side of a square is inches long. What is the perimeter of the square?

inches

inches

inches

inches

inches

Explanation

The perimeter of a square is the sum of all of the sides of the square. In this case, each side is inches long. Since a square has four equal sides, we get a perimeter of inches.

4

What is the perimeter of a square with a side length of ?

Explanation

To find the perimeter of a square you must multiply the side length by .

To do this we plug the side length, , into the equation

Then multiply the side length by ,

The answer is .

5

A farmer wants to build a rectangular fence to enclose a yard. If the yard is square, how many feet of fence will he need?

Explanation

The area of a square is . Since our area is ,

.

Take the square root of both sides.

The perimeter of a square is the sum of all four sides. Since all sides are equal, we can say that, for a square, the formula for a perimter would be .

Plug in what we just found:

6

What is the perimeter of a square with a side length of ?

Explanation

To find the perimeter of a polygon, add the lengths of all sides together. For a square, since all side lengths are the same. simply multiply the side length by the number of sides.

7

What is the perimeter of a square with a side length of ?

Explanation

To find the perimeter of a square, you must multiply the side length by .

To do this we plug the side length into the equation .

Then multiply the side length by .

The answer is .

8

What is the perimeter of the square with a side length of ?

There is insufficient information to solve.

Explanation

The way to find the perimeter of a square is to add up the lengths of all the sides. Since this is a square, each side will have the same length; if one of the sides is , the other sides will be 8 as well.

From here:

9

What is the perimeter of a square if one side is ?

We need to know the lengths of the other sides in order to be able to solve.

Explanation

Each of the sides of a square is equal. This means we can take the formula for the perimeter of a rectangle, , and say that, for a square, .

Since the problem gives us the length of the side, we can solve:

10

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

There is insufficient information to solve

Explanation

Each of the sides of a square is equal. We can take the formula for the perimeter of a rectangle, , and say that for a square, , or .

The problem gives us the perimeter so we can solve:

Divide both sides by :

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