Question

Estimate the length of the radius, if the area of a circle is 247 mm2.

Answer 1

well area of a circle can be defined as A=pi(radius)^2 so if you sub these values in...
\[247=\pi(r)^{2}\]
now just solve for r...can you do that @Tblack ?

Answer 2

yeah thanx

Answer 3

nevermind i cant i just tried

Answer 4

lol why not? o.0

Answer 5

divide both sides by pi then square root both sides

Answer 6

im so lost