Find the area of each circle. Use 3.14 for a. Round to the nearest tenthDiameter = 16 mStudents, draw anywhere on this slide!

asked May 20, 2023 233k views

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We know that the equation area is:

$A\text{ = }\pi r^2$

and we also know that the diameter is

$\begin{gathered} d\text{ = 2r} \\ r\text{ = }(d)/(2) \end{gathered}$

So in this case we have that

$\begin{gathered} A\text{ = }\pi\cdot(8m)^2 \\ =\pi\cdot64\operatorname{cm}=201.06cm^2 \\ \cong\text{ 201}cm^2 \end{gathered}$

The answer is: 201cm2

DamianFox answered May 26, 2023

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