Circles & Circumference Standard Math The circumference is the distance around a circle....

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Circles & Circumference Standard Math

Transcript of Circles & Circumference Standard Math The circumference is the distance around a circle....

Circles & Circumference

Standard Math

The circumference is the distance around a circle.

Circumference

Circumference is the perimeter of circles.

Radius is half of the diameter.

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The formula to find Circumference is :

C = 2 π r or C = π d

7

22or 3.14

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Find the Circumference of the circle.

rC 2

214.32C

yd. 56.12CBACK

Find the circumference using the diameter.

π dC

1014.3C

in. 4.31C

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Find the circumference of the circle.

π dC

1614.3C

ft. 24.50C

You try this one.

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How would you find the diameter of a circle if you were only given the circumference? Cd

Find the diameter of a circle that has a circumference of 66.

14.366d21d

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Circles & Circumference

Standard MathBACK