The grid contains a circle with a diameter of 2 centimeters. Use the grid to estimate the area of the circle to the nearest whole square centimeter.
A circle graphed on a 4-by-4 grid. The circle has a diameter of 4 units.
area: about
cm²
= 12
Find the area of the circle. Round your answer to the nearest tenth. Use $3.14$ or $\frac{22}{7}$
for $\pi$ .