Question

A circle has an area of 50 square meters. Which answer is closest to the measure of its diameter?

Answer 1

8 meters is the answer

Answer 2

A =
`\pi*r^(2)`
50 =
`\pi*r^(2)`

`r^(2)` =
`(50)/( \pi )`
r =
`\sqrt{ (50)/( \pi ) }`
d = 2*r
d = 7.97884....
≈8 (1.s.f)