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Standard Level

8.02 Circumference and area of circular shapes

Interactive practice questions

Find the circumference of the circle shown, correct to two decimal places.

A circle with a radius line drawn from the center to the circumference, labeled as 8 cm. An arrowhead points to the end of the radius line on the circumference.
Easy
1min

If the radius of a circle is equal to $27$27 cm, find its circumference correct to one decimal place.

Easy
< 1min

If the diameter of a circle is equal to $38$38 cm, find its circumference correct to one decimal place.

Easy
< 1min

What is the radius $r$r of a circle with the circumference $C=14$C=14 cm?

Round your answer to two decimal places.

Easy
1min
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