HSPT Math : How to find the perimeter of a figure

Study concepts, example questions & explanations for HSPT Math

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Example Questions

Example Question #91 : How To Find The Perimeter Of A Figure

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 11.49.47 am

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #92 : How To Find The Perimeter Of A Figure

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 11.51.08 am

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #93 : How To Find The Perimeter Of A Figure

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 11.49.27 am

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #131 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 11.50.51 am

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #141 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 11.49.19 am

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #96 : How To Find The Perimeter Of A Figure

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 11.50.43 am

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #97 : How To Find The Perimeter Of A Figure

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 11.48.59 am

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #98 : How To Find The Perimeter Of A Figure

What is the perimeter of the regular hexagon below? 

Screen shot 2015 11 09 at 12.24.12 pm

 

Possible Answers:

Correct answer:

Explanation:

A regular hexagon has six equal sides. To find the perimeter of a hexagon, we can multiply the known side length by  (since there are six sides) or we can add the known side length to itself six times. 

Example Question #99 : How To Find The Perimeter Of A Figure

What is the perimeter of a circle with the diameter of 10?

Possible Answers:

Correct answer:

Explanation:

The perimeter of a circle or circumference is found by using the formula, 

 

which also equals 

 

Identify the given information.

Substituting the given information into the formula results in the final solution.

Example Question #91 : How To Find The Perimeter Of A Figure

If the perimeter of a rectangle is 40, and the width of the rectangle is 8, what is the length of the rectangle?

Possible Answers:

\dpi{100} 4

\dpi{100} 5

\dpi{100} 10

\dpi{100} 12

Correct answer:

\dpi{100} 12

Explanation:

The formula for the perimeter of a rectangle is \dpi{100} P=2l+2w, where \dpi{100} l is the length of the rectangle and \dpi{100} w is the width.

Plug in the numbers that we are given into the equation.

\dpi{100} 40=2l +2(8)

\dpi{100} 40=2l +16

\dpi{100} 40-16=2l +16-16

\dpi{100} 24=2l

\dpi{100} \frac{24}{2}=\frac{2l}{2}

\dpi{100} l=12

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