ACT Math : How to find the length of the side of a hexagon

Study concepts, example questions & explanations for ACT Math

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Example Questions

Example Question #41 : Geometry

If the perimeter of a regular hexagon is \displaystyle 112.8, what is the length of a side of that regular hexagon?

Possible Answers:

\displaystyle 19.6

\displaystyle 19.8

\displaystyle 18.8

\displaystyle 18.6

Correct answer:

\displaystyle 18.8

Explanation:

Use the formula for perimeter to solve for the length of a side of the regular hexagon:

\displaystyle P=6s

Where \displaystyle P is perimeter and \displaystyle s is the length of a side.

In this case:

\displaystyle 112.8=6s

\displaystyle s=\frac{112.8}{6}=18.8

Example Question #1 : Hexagons

Find the length of one side for a regular hexon with a perimeter of \displaystyle 85.8.

Possible Answers:

\displaystyle 15.2

\displaystyle 12.4

\displaystyle 14.3

\displaystyle 13.6

Correct answer:

\displaystyle 14.3

Explanation:

Use the formula for perimeter to solve for the side length:

\displaystyle P=6s

\displaystyle 85.8=6s

\displaystyle s=14.3

Example Question #2 : Hexagons

Find the length of one side for a regular hexagon with a perimeter of \displaystyle 114.

Possible Answers:

\displaystyle 16

\displaystyle 18.5

\displaystyle 19

\displaystyle 18

Correct answer:

\displaystyle 19

Explanation:

Use the formula for perimeter to solve for the side length:

\displaystyle P=6s

\displaystyle 114=6s

\displaystyle s=19

Example Question #3 : Hexagons

What is the maximum length of each side for a regular hexago with a perimeter of \displaystyle 54?

Possible Answers:

\displaystyle 9

\displaystyle 9.4

\displaystyle 7.6

8.8

Correct answer:

\displaystyle 9

Explanation:

Use the formula for perimeter to solve for the side length:

\displaystyle P=6s

\displaystyle 54=6s

\displaystyle s=9

Example Question #2 : How To Find The Length Of The Side Of A Hexagon

What is the side of a Hexagon whose area is ?

Possible Answers:

Correct answer:

Explanation:

To find the side of a hexagon given the area, set the area formula equal to the given area and solve for the side.

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