Perimeter

How is perimeter used in everyday life?

We would need to know how much fence to put around a garden.

We need to know how much concrete to put around the pool.

We often find the perimeter when putting up Christmas lights around the house.

We find the perimeter of a room to figure out how much wallpaper border to put up.

Athletes use the perimeter of the track to run relays.

which equals 20.

You can use the reference chart to use the formulas to find the perimeter of a square and rectangle.

Square P= 4s mean Perimeter = 4 X sides (There are 4 sides in a square and all sides are equal.)

P = l + w + L + w means

Perimeter = length + width + length + width

-or-

P = 2l + 2w means

Perimeter = 2 times length + 2 times width

You can use the easy formula P = 4s

(P = 4 X ___ to get your answer.)

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