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AnnyKZ [126]
3 years ago
8

I WILL GIVE GOLD MEDALS PLEASE HELP ??? Can somebody help with these 2 math questions?

Mathematics
1 answer:
taurus [48]3 years ago
6 0
4)

\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta\pi r^2}{360}\qquad 
\begin{cases}
\theta=\textit{angle in degrees}\\
r=radius\\
----------\\
r=CE=9\\
\theta=120
\end{cases}
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Step-by-step explanation:

Espero que la info. ayude

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Step-by-step explanation:

The question is a word problem regarding the formula for the area of a square

The parameters given are;

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Therefore, the dimensions of the sides, s, of a square patio that has an area of 378 ft.² is found as follows;

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Therefore, s = √378 = √(9 × 42) = 3·√42 ft

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