High School Math : How to find the perimeter of a square in pre-algebra

Study concepts, example questions & explanations for High School Math

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Example Questions

Example Question #11 : How To Find The Perimeter Of A Square In Pre Algebra

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

Possible Answers:

Correct answer:

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 .

Example Question #12 : How To Find The Perimeter Of A Square In Pre Algebra

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

Possible Answers:

 inches

  inches 

 inches

 inches 

 inches

Correct answer:

  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. 

Example Question #11 : How To Find The Perimeter Of A Square In Pre Algebra

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

Possible Answers:

Correct answer:

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.

Example Question #12 : How To Find The Perimeter Of A Square In Pre Algebra

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?

Possible Answers:

Correct answer:

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:

Example Question #13 : How To Find The Perimeter Of A Square In Pre Algebra

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

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of a square, multiply the side length by :

 

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