How to find the length of the side of a pentagon - ACT Math
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The perimeter of a regular pentagon is 
. What is the length of one side?
The perimeter of a regular pentagon is
A problem like this is very easy. A regular pentagon just looks like:
All of its sides are equal. Therefore, you know that 
, where 
is the length of one side. Solving for 
, you get 
.
A problem like this is very easy. A regular pentagon just looks like:
All of its sides are equal. Therefore, you know that
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If the perimeter of a given regular pentagon is 
. What is the length of one side of this regular pentagon in inches?
If the perimeter of a given regular pentagon is
Use the formula for perimeter to solve for the side length of the regular pentagon:
Where 
is the perimeter and 
is the length of a side.
In this case:
Use the formula for perimeter to solve for the side length of the regular pentagon:
Where
In this case:
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Find the length of each side for regular pentagon with a perimeter of 
.
Find the length of each side for regular pentagon with a perimeter of
Use the formula for perimeter to solve for the side length:
Use the formula for perimeter to solve for the side length:
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Find the length of one side for a regular pentagon with a perimeter of 
.
Find the length of one side for a regular pentagon with a perimeter of
Use the formula for perimeter to solve for the side length:
Use the formula for perimeter to solve for the side length:
Compare your answer with the correct one above
Find the length of each side for a regular pentagon with a perimeter of 
.
Find the length of each side for a regular pentagon with a perimeter of
Use the formula for perimeter to solve for the side length:
Use the formula for perimeter to solve for the side length:
Compare your answer with the correct one above