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Big Ideas Math Geometry, 2014

BI

Big Ideas Math Geometry, 2014 View details

1. Circumference and Arc Length

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Exercise 6 Page 598

Do you remember the formula for the circumference of a circle?

5π in.

Practice makes perfect

The circumference C of a circle with diameter d is calculated using the formula below. C=π d By substituting 5 for d in the formula, we can calculate C.

C=π d

r= 5

C=π( 5)

Multiply

C=5π

The exact circumference of the circle is 5π inches.

Subchapter links

Communicate Your Answer p.593

Monitoring Progress p.594-597

Exercises p.598-600