A square picture frame has a perimeter of #(20 xx 32)# inches. What is the length of one side of the picture frame?

1 Answer
Kilwee
Jul 18, 2017

The side is 160 inches long, using the formula #P = 4s#

Explanation:

We know that a square has 4 sides of the same length, and therefore its perimeter can be written as
#P = 4s#
where #P# is the perimeter and #s# is the length of one side.

Using this formula, we can find the side length knowing only the perimeter, which has been given to us already as #20 * 32#

#P = 20*32 = 640# inches
Then
#P = 4s#
#640 = 4s#
#s = 640/4#

#s = 160# inches

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