# Circumference of a Circle Worksheets

1. Math >
2. Geometry >
3. Perimeter >
4. Circles

Our circumference of a circle worksheets furnished with answer keys are perfect to help children ease into this topic. Master calculating the distance around the circle in terms of pi as well as by using the decimal value 3.14 for pi from the given radius or diameter with a variety of exercises like finding the circumference using the radius, finding the diameter from the circumference and many more. Start practicing with our free worksheets!

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Finding the Circumference Using the Radius

Empower learners in grade 6 and grade 7 to advance their skills in calculating the circumference of circles using their radii! Use π ≈ 3.14, substitute the radius, find the circumference, and round it to the nearest tenth.

Finding the Circumference in Terms of Pi Using the Radius

Recall the formula for the circumference of a circle, C = 2πr, to solve the exercises in this pdf resource on finding the circumference in terms of π.

Finding the Circumference Using the Diameter

Study the circles depicted with their diameters and apply the formula C = πd, where C is the circumference of a circle and d is the diameter, to work out the problems here.

Finding the Circumference in Terms of Pi Using the Diameter

What's the relation between a radius and diameter? Explore this as you determine the distance around the boundary of each circle in terms of π using the diameter in these circumference of a circle worksheets.

Finding the Radius from the Circumference

To solve the 9 problems in each practice sheet, simply plug in the circumference C, offered in whole numbers as well as decimals, in the formula r = C/2π and solve for the radius r.

Finding the Diameter from the Circumference

Progress to the next level with this set of circumference of a circle worksheets! Determine the diameter by dividing the circumference by 3.14 and rounding your answer to the nearest tenth.

Mixed Review

In these printables, children in 7th grade and 8th grade will use the radius or diameter as specified in the question to determine the circumference. Make sure you mention the unit next to the calculated value.

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