ISEE Lower Level Math : How to find the perimeter of a rectangle

Study concepts, example questions & explanations for ISEE Lower Level Math

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Example Questions

Example Question #21 : How To Find The Perimeter Of A Rectangle

Lowerrectperim2

What is the perimeter of the above rectangle? 

Possible Answers:

 ft

 ft

 ft

 ft

 ft

Correct answer:

 ft

Explanation:

The perimeter of a rectangle is the length of all the sides added together. This rectangle has two short sides that are each  feet long and two long sides that are each  feet long. , so the correct answer is .

Example Question #1051 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Find the perimeter of a rectangle whose width is  and length is .

Possible Answers:

Correct answer:

Explanation:

To solve, simply use the formula for the eprimeter of a rectangle. Thus,

Example Question #1052 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Find the perimeter of a rectangle whose length is  and width is .

Possible Answers:

Correct answer:

Explanation:

To solve, simply use the formula for the perimeter of a rectangle. Thus,

Example Question #1053 : Isee Lower Level (Grades 5 6) Mathematics Achievement

You need to cover your rectangular driveway in blacktop but you need the area to figure out how much material to get.  You would just add up all four sides to get our answer.  Is this statement true or false?

Possible Answers:

False

True

Correct answer:

False

Explanation:

The area of a rectangle is the length times the width not the sides added togther.  That would be the perimeter.

Example Question #1054 : Isee Lower Level (Grades 5 6) Mathematics Achievement

A computer screen has a height of 9 inches and a width of 16 inches. Find its perimeter. All answers are in inches.

Possible Answers:

Correct answer:

Explanation:

A computer screen has a height of 9 inches and a width of 16 inches. Find its perimeter.

Perimeter is the distance around the outside of a shape. In this case, we are dealing with a rectangle. To find the perimeter of a rectangle, we need to add up all four sides, or use the following formula:

Substitute our length and width into the equation

So our perimeter is 50 inches

Example Question #1055 : Isee Lower Level (Grades 5 6) Mathematics Achievement

Your front yard is in the shape of a rectangle.  You want to build a fence all around your front yard.  The length of your yard is 40 feet.  The width of your yard is half the length.  How many feet of fencing will you need for your front yard?

Possible Answers:

Correct answer:

Explanation:

To find how much fencing we will need, we need to determine the perimeter of the yard.  To find the perimeter, we use the following formula:

where l is the length and w is the width of the rectangle (in this case, the yard).  We know the length is 40 feet.  We also know the width is half the length, so the width is 20 feet.  Now, we can substitute.

Example Question #1056 : Isee Lower Level (Grades 5 6) Mathematics Achievement

A rectangle measures  inches on its short side, and  inches on its long side.  What is its area?

Possible Answers:

Correct answer:

Explanation:

To find the area of a rectangle, multiply the length of the long side by the length of the short side.  The best way to find the answer is:

Example Question #1057 : Isee Lower Level (Grades 5 6) Mathematics Achievement

A rectangle measures  inches on its short side, and  inches on its long side.  What is its area?

Possible Answers:

Correct answer:

Explanation:

To find the area of a rectangle, multiply the length of the long side by the length of the short side.  The best way to find the answer is:

Example Question #1058 : Isee Lower Level (Grades 5 6) Mathematics Achievement

A rectangle measures  inches along its short side, and  inches along its long side.  What is the perimeter of the rectangle?

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

Example Question #1059 : Isee Lower Level (Grades 5 6) Mathematics Achievement

A rectangle measures  inches along its short side, and  inches along its long side.  What is the perimeter of the rectangle?

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

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