B. 28.26 cm2
The formula for calculating the area of a circle is A = πr^2, where A is the area, π is approximately 3.14, and r is the radius.
Plugging in the values:
A = 3.14 x 3^2
A = 3.14 x 9
A = 28.26 cm2
So, the area of the circle is 28.26 cm2.
3 cm
Note: picture not drawn to scale
The circle above has a radius of 3 cm. What is the area of the circle?
Use = 3.14.
A.
9.42 cm2
B.
28.26 cm2
C.
18.84 cm2
D.
56.52 cm2
1 answer
1 answer