Mathematics, 05.07.2019 13:30 rachellynn02
The circular bases of the traditional teepees of the sioux and cheyenne tribes have a diameter of about 15 ft. what is the area of the base? round to the nearest square unit. a. 177 ft2 b. 47 ft2 c. 707 ft2 d. 24 ft2
Answers: 1
![\bf \textit{area of a circle}\\\\A=\pi r^2~~\begin{cases}r=radius\\[-0.5em]\hrulefill\\r=7.5\end{cases}\implies A=\pi 7.5^2\implies A=56.25\pi \\\\\\A\approx 176.71459\implies A = \stackrel{\textit{rounded up}}{177}](/tpl/images/0054/2263/658af.png)
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