SSAT Elementary Level Math : How to find the perimeter of a rectangle

Study concepts, example questions & explanations for SSAT Elementary Level Math

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Example Questions

Example Question #71 : Plane Geometry

What is the length of a rectangular room with a perimeter of  and a width of 

Possible Answers:

Correct answer:

Explanation:

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown. 

Subtract  from both sides

Divide  by both sides

Example Question #10 : Apply Area And Perimeter Formulas For Rectangles: Ccss.Math.Content.4.Md.A.3

What is the length of a rectangular room with a perimeter of  and a width of 

 

Possible Answers:

Correct answer:

Explanation:

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown. 

Subtract  from both sides

Divide  by both sides

Example Question #72 : Quadrilaterals

What is the length of a rectangular room with a perimeter of  and a width of 

Possible Answers:

Correct answer:

Explanation:

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown. 

Subtract  from both sides

Divide  by both sides

Example Question #1 : Geometry

Which shape has  angles? 

Possible Answers:

Pentagon 

Hexagon 

Rectangle 

Cube

Triangle 

Correct answer:

Rectangle 

Explanation:

A rectangle has  angles. 

Screen shot 2015 09 09 at 12.27.38 pm

Example Question #31 : How To Find The Perimeter Of A Rectangle

Find the perimeter of a rectangle whose width is 6 and length is 8.

Possible Answers:

Correct answer:

Explanation:

To solve, simply use the following formula for perimeter. Thus,

Example Question #32 : How To Find The Perimeter Of A Rectangle

You just bought a dog and need to set up a fence around your yard.  If your yard is  by , how much fence do you need?

Possible Answers:

Correct answer:

Explanation:

The surround the yard you need to find the perimeter of the yard.  

Perimeter is .  

In this case, it is .

Example Question #1 : Geometric Measurement: Recognizing Perimeter

What is the perimeter of the rectangle below? 

Screen shot 2015 09 29 at 8.31.53 am

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

Example Question #1 : Geometric Measurement: Recognizing Perimeter

What is the perimeter of the rectangle below? 

Screen shot 2015 09 29 at 8.32.51 am

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

Example Question #1 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

What is the perimeter of the rectangle below? 

Screen shot 2015 09 29 at 8.31.30 am

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

Example Question #411 : Rectangles

What is the perimeter of the rectangle below? 

Screen shot 2015 09 29 at 8.29.52 am

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

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