area of a circle with radius 11
Check the final answer first, then review the worked steps.
Problem
area of a circle with radius 11
Step-by-step solution
The area of a circle is given by $A = \pi r^2$. With $r = 11$, $A = \pi(11^2) = 121\pi \approx 121 \times 3.14159 \approx 380.13$.
Answer
380 \text{ m}^2