Question

A wedding cake has a diameter of 12 inches. The cake decorator needs to know how many strawberries he will need to put around the outside, so he needs the circumference. What is the circumference? Leave the answer in terms of π.

Answer 1

Diameter = 12 inches

Radius = 6 inches

Circumference =
`2 \pi r` =
`2 * \pi * 6 = 12 \pi` inches

Answer 2

The circumference in terms is
`12\pi`.

Explanation:

We are given that,

The diameter of the cake = 12 inches.

Then, the radius of the cake =
`(12)/(2)` = 6 inches

Since, we know that,

Circumference of a circle =
`2\pi r`

So, we get,

Circumference of the cake =
`2\pi * 6`

i.e. Circumference of the cake =
`12\pi`

Hence, the circumference in terms is [tex]12\pi[/tex].