Question

In which of the following circles are the approximate values of the area and circumference the same?

A. a circle with a radius of 2 feet
B. a circle with a diameter of 2 feet
C. a circle with a radius of 4 feet
D. a circle with a diameter of 1 foot

Answer 1

Area =
`\pi r^(2)`
Circumference = 2
`\pi`r

A) Area = 4
`\pi`
Circumference = 4
`\pi`

So A is the answer