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Gr. 7 - U4 - 4.2 Circumference of a Circle

Last updated about 5 years ago

4 Nsɛmmisa

9

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1.

Calculate the circumference of each circle.
Give the answers to one decimal place.

1

4

4

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2.

The circumference of each circle is given.
Calculate the diameter and radius. Give the answers to one decimal place.

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3.

A circular garden has a diameter of 2.4 m.
a) The garden is to be enclosed with plastic edging. How much edging is needed?
b) The edging costs $4.53/m. What is the cost to edge the garden?

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4.

A carpenter is making a circular tabletop with circumference 4.5 m. What is the radius of the tabletop?