Question

The formula for the circumference of a circle is 4072-01-01-03-00_files/i0150000.jpg. Determine the circumference when the radius r is 10 cm.

Answer 1

Just substitute r into the equation given

\(C=2\pi r\)
\(C=2\pi (10)\)

Answer 2

so 20 cm?

Answer 3

or 20piecm

Answer 4

20 pi

Answer 5

why is it the pi one if i may ask?

Answer 6

\(C=2π(10)\)
The original equation has a pi

2*10 is 20

(You have to keep the pi)
\(20\pi\) or 62.8315...

Answer 7

oh gotcha thank you bud

Answer 8

np lol