Which formula could be used to determine the circumference of a circle? A.) 2\pid B.) \pi r x^(2) C.) \pi r D.) \pi d

Question

Which formula could be used to determine the circumference of a circle?

A.) 2
`\pi`d
B.)
`\pi r x^(2)`
C.)
`\pi r`
D.)
`\pi d`

Answer 1

D is the right option

Answer 2

D.) C = pi *d

Explanation:

The circumference of a circle is given by

C= 2 * pi * r

or

C = pi *d