Find the perimeter of a regular octagon with sides equal to 4 cm.
Hint
an octagon has 8 sides
Answer
32 cm
What is the perimeter of this figure?
one side of the shape is missing
34 cm
The perimeter of an equilateral triangle is 30 cm. What is the length of each side?
draw a picture
10 cm
Find the circumference of this circle.
the diameter of a circle is twice the radius
5π or ≈ 15.7 cm
A circular trampoline has a net surrounding it that is 25.12 ft long.
What is the diameter of the trampoline?
See Example 3.
8 feet
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