ISEE lower Level Math assist » Geometry » aircraft Geometry » quadrilateral » Squares » exactly how to discover the perimeter that a square

What is the perimeter that the square below?

 

*

*

*


*


*


*


*


Explanation:

To find the perimeter that a shape, take all of the exterior measurements and add them together. There are just 2 dimensions showing. However, perimeter goes all the means around the square i beg your pardon has four equal sides. Therefore, the measurement of the other sides should be the same and also must be provided to find the perimeter.

You are watching: Area of a square with a perimeter of 12 feet

Take all 4 sides and include them with each other to uncover the perimeter of the square. Because each side is same 5 inches then the full of the sides (or perimeter the the square) would certainly be

*


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Example inquiry #2 : exactly how To find The Perimeter that A Square


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


Possible Answers:

None that the various other answers


Correct answer:

*


Explanation:

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

*

It is now known that every side the the square has a length of 10 cm and to uncover the perimeter that the square the size of every side have to be offered to uncover the full length around the square. Therefore, because each side is 10 centimeter then the perimeter deserve to be found by adding all of the sides which would be

*

The perimeter of the square would certainly be

*

This provides the correct answer

*

 


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


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


Possible Answers:
Correct answer:

*


Explanation:

To discover the perimeter of a shape, friend must include up the lengths that the sides. Through definition, a square has 4 same sides. So, girlfriend only require to know the size of one side of a square in stimulate to understand the lengths of every the political parties of a square.

Since the length of one next of this square is 12 cm., you can either include the lengths the the four sides with each other or multiply the length of one next by 4.

*

*

The units used in this answer would certainly be cm. — no cm.2 — since we room only find the size aroud the shape when solving for perimeter.

 


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Example concern #4 : just how To find 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 offered by . Below

*
, so take it the square source of both sides to gain
*
.

The perimeter of a square is offered by . Instead of the side length derived from the area equation come get 

*


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Example concern #5 : exactly how To find The Perimeter that A Square


The area of 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 political parties to get
*
.

The perimeter of a square is given by . Instead of the side length derived from the area equation come get 

*
.


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Example concern #6 : exactly how To discover The Perimeter the 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 , or

*
. Take the square root of both political parties to obtain
*
.

The perimeter the a square is given by . Substitute the value obtained from the area equation to obtain

*


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Example concern #7 : how To discover The Perimeter of A Square


The area the a square is

*
. What is the perimeter?


Possible Answers:
Correct answer:

*


Explanation:

The area that a square is given by

*
, or 
*
. Take the square source of both sides to acquire
*
.

The perimeter the a square is given by

*
. Substitute the side length derived from the area equation come get 
*


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Example inquiry #8 : just how To find The Perimeter of A Square


If the perimeter the a square is

*
 

What is the length of among its sides?


Possible Answers:
Correct answer:

*


Explanation:

The perimeter the a shape is equal to the sum of the lengths of each side. Through definition, a square has actually 4 same sides. As a result, you have the right to divde the perimeter by 4 to obtain the length of one side:

*

Since

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

You can also check her answer by including up the lengths of all the political parties or by multiplying the length of among the political parties by

*
. If you get
*
, you are correct.

*

*


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Example question #9 : exactly how To discover The Perimeter of A Square


The area of 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 the a square is calculation by multiplying one next by itself.

*

If the area is 25, then the length of one side will certainly be the square source of 25.

*

*

The square source of 25 is 5, so each side should be 5 feet long.

If each of the 4 sides is 5 feet long, climate the perimeter would be 20 feet due to the fact that there are 4 sides total.

*

*


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Example question #10 : just how To discover The Perimeter that A Square


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


Possible Answers:

6 inches


12 inches


9 inches


14 inches


Correct answer:

12 inches


Explanation:

If a square has an area that 9 square inches, every 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 that a square has actually 4 sides, we acquire the perimeter by multiplying 3 by 4, offering us a perimeter of 12 inches. 


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