Question

I have no idea abt any of this

Answer 1

divide 16 and use pi

pi is this π

π always equally 3.14

Answer 2

201.06
`in^(2)`

Explanation:

A =
`(1)/(4) \pi d^(2)`

A =
`(1)/(4) \pi (16)^(2)`

A = 201.06
`in^(2)`