# The Canadian $1 coin has 11 equal sides. The perimeter is 7.7 cm. How long is each side?

##### 1 Answer

Nov 26, 2015

Each side is 0.7 cm.

#### Explanation:

The formula for perimeter in this case is:

#P=11x#

where:

P = perimeter

11 = number of sides

x = side length

To find the length of each side, substitute your known values and solve for x:

#P=11x#

#7.7=11x#

#0.7=x#

#x=0.7#