What is the area of the circle if the radius is 2 cm?
A. 3 cm squared
B. 6 cm squared
C. 10 cm squared
D. 12 cm squared
I don't really know the answer to this one because I am not sure what the formula for area of a circle is. If I knew the formula the maybe I could figure the answer.
4 answers
http://www.mathgoodies.com/lessons/vol2/circle_area.html
pi r^2
or
pi*r*r (multiply)
if you use 3 for pi then you will get your answer.
or
pi*r*r (multiply)
if you use 3 for pi then you will get your answer.
diameter gahhhh
the answer is 12 square
2 answers