Perimeter
The distance around the
outside of a shape.
Perimeter
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.
then add them together.
Perimeter
Measure each side of the triangle then add
them together.
Circumference
The distance around the outside of a circle.
Distance across
middle.
Diameter
Distance from
middle to circumference.
Radius
Perimeter
The distance around the outside of a rectangle.
length
width
width
length
Perimeter = (2 x L) + (2 x W)
Perimeter
Do you have to measure every side to find the
perimeter of these shapes?
Perimeter Word Problems
1. 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 is
200cm. 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?