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Perimeter

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Perimeter

The distance around the outside of a shape.

The distance around the outside of a rectangle.

Perimeter

To find the perimeter you need to measure the length of each side of the rectangle.

Perimeter

then add them together.

Measure each side of the triangle then add them together.

Perimeter

The distance around the outside of a circle.

Distance across

middle.

Diameter

Circumference

Distance from

middle to circumference.

Radius

The distance around the outside of a rectangle.

length

Perimeter

width

width

length

Perimeter = (2 x L) + (2 x W)

Do you have to measure every side to find the perimeter of these shapes?

Perimeter

Perimeter Word Problems

A regular pentagon has one side 25cm long.How long is the perimeter of this shape?

2. A regular hexagon has a perimeter of 300cm.How long is the length of one side?

2. A Hexagon has a perimeter of 300cm.How long is the length of one side?

3. A square field has a perimeter of 1200m.How long is the length of each side of the field?One side of the field is hedged. What length of fencing is needed to fence in the other three sides?

What is the perimeter of a square of side 20cm?

If the perimeter of square is200cm. What is the length of one of the sides?

What is the perimeter of an equilateral triangle of side 8.9cm?

A regular heptagon has a side length of 26cm. What is it’s perimeter?

A rectangle has a perimeter of 68cm.It’s short side is 10cm. What is the length of the long side?