Question

Find the area of the given geometric figure. If the figure is a circle, give an exact area and then use 22/7 as an approximation for pie to approximate the area. r=2in

Answer 1

`\begin{gathered} \text{geometric figure:circle} \\ \text{radius: 2 inches} \\ \pi=(22)/(7) \\ \end{gathered}`

the area of a circle is given by:

`\text{Area}=\pi\cdot radius^2`

Step 1

replace

`\begin{gathered} \text{Area}=(22)/(7)\cdot(2inches)^2 \\ \text{Area}=(22)/(7)\cdot4in^2 \\ \text{Area}=(22\cdot4)/(7) \\ \text{Area}=12.57 \end{gathered}`

so, the answer is 12.57 square inches