Question

Find the circumference and the area of a circle with radius 5 m.Use the value 3.14 for it, and do not round your answers. Be sure to include the correct units in your answers.5 mmmamCircumference:Area: 0X Х5?

Answer 1

$\begin{gathered} \text{circumference of a circle = 2}\pi r \\ \text{circumference}=2\times3.14\times5 \\ \text{circumference}=\text{ }31.4\text{ m} \end{gathered}$$\begin{gathered} \text{area of a circle = }\pi r^2 \\ \text{area}=3.14\times5^2 \\ \text{area}=78.5m^2 \end{gathered}$