ISEE lower Level Math aid » Geometry » plane Geometry » square » Squares » exactly how to discover the perimeter that a square

What is the perimeter that the square below?

 

*

*

*


*


*


*


*


Explanation:

To discover the perimeter that a shape, take every one of the exterior measurements and add them together. There are only 2 dimensions showing. However, perimeter goes every the method around the square i beg your pardon has four equal sides. Therefore, the measure of the various other sides have to be the same and must be supplied to find the perimeter.

You are watching: What is the perimeter of a 4’ square?

Take all 4 sides and add them together to uncover the perimeter that the square. Because each side is equally 5 inches then the total of the sides (or perimeter of the square) would certainly be

*


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Example inquiry #2 : just how To find The Perimeter of A Square


If the area the a square is 100 cm2 climate what is the length of every side? What is the perimeter that the square?


Possible Answers:

None of the various other answers


Correct answer:

*


Explanation:

The offered area of the square to be calculated by multiplying the measure of one side of the square through the measure up of an additional side of the square (which room equal measurements). Since the area to be 100 cm then there was a number when multiplied come itself would be 100. The number that provides this true is 10 as

*

It is now well-known that every side of the square has a size of 10 cm and to discover the perimeter that the square the size of each side need to be used to uncover the full length around the square. Therefore, because each next is 10 centimeter then the perimeter can be uncovered by adding all of the political parties which would be

*

The perimeter the the square would certainly be

*

This provides the correct answer

*

 


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Example inquiry #3 : how To find The Perimeter that A Square


What is the perimeter the a square that has a side v a size of 12 cm.?


Possible Answers:
Correct answer:

*


Explanation:

To discover the perimeter that a shape, friend must include up the lengths that the sides. By definition, a square has actually 4 same sides. So, girlfriend only need to recognize the size of one side of a square in stimulate to understand the lengths of all the political parties of a square.

Since the size of one side of this square is 12 cm., you deserve to either add the lengths of the four sides together or main point the size of one side by 4.

*

*

The units offered in this answer would be cm. — no cm.2 — because we are only uncover the length aroud the shape as soon as solving for perimeter.

 


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Example concern #4 : exactly how To discover The Perimeter that A Square


The area that a square is

*
. What is the perimeter?


Possible Answers:
Correct answer:

*


Explanation:

The area the a square is given by . Right here

*
, so take the square source of both political parties to get
*
.

The perimeter that a square is provided by . Substitute the next length derived from the area equation to get 

*


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Example inquiry #5 : just how To find The Perimeter the A Square


The area of a square is

*
. What is the perimeter?


Possible Answers:
Correct answer:

*


Explanation:

The area of a square is given by , or 

*
. Take the square source of both sides to get
*
.

The perimeter the a square is offered by . Substitute the next length obtained from the area equation to get 

*
.


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Example concern #6 : just how To uncover The Perimeter the A Square


The area that a square is

*
. What is the perimeter?


Possible Answers:
Correct answer:

*


Explanation:

The area that a square is offered by , or

*
. Take it the square root of both sides to acquire
*
.

The perimeter the a square is provided by . Substitute the value acquired from the area equation to obtain

*


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Example inquiry #7 : exactly how To uncover The Perimeter of A Square


The area of a square is

*
. What is the perimeter?


Possible Answers:
Correct answer:

*


Explanation:

The area that a square is provided by

*
, or 
*
. Take the square source of both political parties to obtain
*
.

The perimeter of a square is offered by

*
. Instead of the side length acquired from the area equation to get 
*


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Example inquiry #8 : exactly how To uncover The Perimeter that A Square


If the perimeter the a square is

*
 

What is the length of one of its sides?


Possible Answers:
Correct answer:

*


Explanation:

The perimeter the a shape is equal to the amount of the lengths of every side. By definition, a square has 4 same sides. Together a result, you have the right to divde the perimeter by 4 to gain the size of one side:

*

Since

*
 divided by
*
 equals
*
, then 
*
 is the length of one side of the square.

You can additionally check her answer by including up the lengths of all the sides or by multiplying the length of one of the sides by

*
. If you acquire
*
, you space correct.

*

*


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Example concern #9 : how To uncover The Perimeter the A Square


The area the a square is

*
. What is that is perimeter?


Possible Answers:

25 feet


3 feet


20 feet


16 feet


5 feet


Correct answer:

20 feet


Explanation:

The area that a square is calculate by multiply one next by itself.

*

If the area is 25, then the size of one side will be the square root of 25.

*

*

The square root of 25 is 5, so every side must be 5 feet long.

If each of the four sides is 5 feet long, then the perimeter would certainly be 20 feet since there are 4 sides total.

See more: What Do You Call A 90 Year Old, Medical Definition Of Age By Decade

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*


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Example inquiry #10 : just how To find The Perimeter the A Square


Which that the following is the perimeter the a square that has actually an area that 9 square inches?


Possible Answers:

6 inches


12 inches


9 inches


14 inches


Correct answer:

12 inches


Explanation:

If a square has an area of 9 square inches, each side is 3 inches. This is because 3 inches times 3 customs is 9 inches. (The formula because that the area that a square is length times hieght.)

Given the a square has actually 4 sides, we gain the perimeter by multiplying 3 by 4, providing us a perimeter of 12 inches. 


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