2 years ago

The area of a square is 144 square feet. What is the length of each of its sides?

Mathematics

1 answer:

Cloud [144]2 years ago

6 0

All you have to do is find the square root of 144. 12 times 12 is 144.

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The area of the sector of a circle with a radius of 8 centimeters is 125.6 square centimeters. The estimated value of pi is 3.14

tangare [24]

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta\pi r^2}{360}\qquad 
\begin{cases}
\theta=\textit{angle in degrees}\\
r=radius\\
----------\\
r=8\\
A=125.6
\end{cases}
\\\\\\
360A=\theta\pi r^2\implies \cfrac{360A}{\pi r^2}=\theta\implies \cfrac{360\cdot 125.6}{\pi 8^2}=\theta$

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2 years ago

What information do you need to find the area of a triangle using trigonometry?

SCORPION-xisa [38]

Formula of the area of triangle
A=(1/2)a*b*sin(C)
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Probably, this question means that you need to know sin of the angle.

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salantis [7]

The answer to this is 5

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3 years ago

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