Question

What is the area of a circle with a diameter of 22?

Answer 1

\(Area ~ of ~circle = \pi r^2 = \pi d^2/4\)

d = diameter = 22

Answer 2

379.94^2

Is that right?

Answer 3

yes, i got around 380 too

Answer 4

wait, whats that ^2 ?

Answer 5

Squared, I thought you square when talking about area.

Answer 6

A = pi* 22^2/4 = 380.13 units^2

Answer 7

OK, thanks for telling me.

Answer 8

the units are squared, like for example if the diamamter was 22 cm, then area = 380.13 cm^2

Answer 9

welcome ^_^