Mathematics, 05.07.2019 13:30 himatasy
For the if u can and ! if the length of a minute hand in a clock is 28 inches, which of these is the closest to the total area covered by the minute hand after four rotations? a. 28 sq (square) inches b. 168 sq inches c. 784 sq inches d. 3136 sq inches
Answers: 1
![\bf \textit{area of a circle}\\\\A=\pi r^2~~\begin{cases}r=radius\\[-0.5em]\hrulefill\\r=28\end{cases}\implies A=\pi 28^2\implies A=784\pi](/tpl/images/0054/2177/4e8b5.png)
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For the if u can and ! if the length of a minute hand in a clock is 28 inches, which of these i...
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