calculate area of circle with radius 9.4
Check the final answer first, then review the worked steps.
Problem
calculate area of circle with radius 9.4
Step-by-step solution
The area of a circle is calculated using $A = \pi r^2$. With $r = 9.4$, $A = \pi(9.4)^2 \approx 3.14159 \times 88.36 \approx 277.59$.
Answer
278 \text{ cm}^2