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High School Math : Pre-Algebra

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8 Diagnostic Tests 613 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #4 : 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:

P=14

P=21

P=28

P=16

Correct answer:

P=28

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 ,

P=4(7)

The answer is P=28 .

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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:

P=32

P=36

P=8

P=16

Correct answer:

P=32

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 ,

P=4(8)

The answer is P=32 .

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Example Question #11 : 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

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 3 + 3 + 3 + 3 = 12 inches.

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Example Question #371 : Pre Algebra

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

Possible Answers:

144

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.

$Perimeter=12\cdot4$

Perimeter=48

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Example Question #372 : Pre Algebra

A farmer wants to build a rectangular fence to enclose a $144\ \textup{ft}^2$ yard. If the yard is square, how many feet of fence will he need?

Possible Answers:

$48\ \textup{ft}$

$36\ \textup{ft}$

$576\ \textup{ft}$

$12\ \textup{ft}$

$144\ \textup{ft}$

Correct answer:

$48\ \textup{ft}$

Explanation:

The area of a square is A=s*s . Since our area is 144ft^2 ,

144ft^2=s^2 .

Take the square root of both sides.

$\sqrt{144ft^2}=\sqrt{s^2}$

12ft=s

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 P=4s .

Plug in what we just found:

P=4s

P=4*12ft

P=48ft

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Example Question #373 : 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 :

Perimeter=4(8)

P=32

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Example Question #1 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Rectangle

What is the perimeter of the rectangle?

Possible Answers:

$2\left(AB\right ) + 2\left ( AD\right )$

AB + DC

$2\left(AD\right ) + 2\left ( BC\right )$

$4\left ( AB\right )$

$4\left ( AD\right )$

Correct answer:

$2\left(AB\right ) + 2\left ( AD\right )$

Explanation:

The perimeter of a rectangle is the sum of the length of each of the four sides.

AB + BC + CD + AD

Since

AD = BC

AB = CD

substitute each in:

$AB + AD + AB + AD = 2\left ( AB\right )+2\left ( AD\right )$

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Example Question #374 : Pre Algebra

Find the perimeter of a rectangle with length 8 inches and width 10 inches.

Possible Answers:

$48\ inches$

$20\ inches$

$36\ inches$

$18\ inches$

$100\ inches$

Correct answer:

$36\ inches$

Explanation:

To find perimeter, add up all the sides. In a rectangle, there are 2 sets of identical sides so you can multiply the length by 2 and the width by 2 and combine them to get 36 inches.

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Example Question #375 : Pre Algebra

Find the perimeter of a rectangle with a length of 20 inches and a width of 12 inches.

Possible Answers:

$60\ in$

$100\ in$

$40\ in$

$64\ in$

$72\ in$

Correct answer:

$64\ in$

Explanation:

Add up all of the sides of the rectangle to get 64 inches.

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Example Question #4 : How To Find The Perimeter Of A Rectangle In Pre Algebra

What is the perimeter of a rectangle with a base of and a height of ?

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of a rectangle you must find the sum of all of the side lengths.

To do this we plug the base and height into the equation $2(b)+2(h)=Area\:of\:rectangle$

With a base of and a height of our equation would look like $2(5)+2(18)=Area\:of\:rectangle$

Multiply and add the numbers together 10+36=46

The answer is .

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High School Math : Pre-Algebra

Study concepts, example questions & explanations for High School Math

All High School Math Resources

Example Questions

Example Question #4 : How To Find The Perimeter Of A Square In Pre Algebra

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

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

Example Question #371 : Pre Algebra

Example Question #372 : Pre Algebra

Example Question #373 : Pre Algebra

Example Question #1 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Example Question #374 : Pre Algebra

Example Question #375 : Pre Algebra

Example Question #4 : How To Find The Perimeter Of A Rectangle In Pre Algebra

All High School Math Resources

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