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kolbaska11 [484]
3 years ago
11

AABC ~ADEF F 21 D B N 28 E C Solve for N. 28 = ☆ N=[?]

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
8 0

Answer:

N = 3

Step-by-step explanation:

\frac{28}{4}  =  \frac{21}{N}  \\  \\ 28N = 21 \times 4 \\ 28N = 84 \\  \\ N =  \frac{84}{28}  \\  \\ N = 3

I hope I helped you^_^

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If the radius of the circle is multiplied by a factor of 3, then the area of the circle is multiplied by a factor of
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\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
-----\\
r=\stackrel{r\times 3}{3r}
\end{cases}\implies A=\pi (3r)^2
\\\\\\
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notice, if the original area was πr², then the new area has a factor in front of it, that much.
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Length =

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Lin lines the bottom of her first pan with aluminum foil. The area of the rectangular piece of foil 11 1 4 is square inches. Its length is 4 1 2 inches. What is the width of the foil? Explain your reasoning.

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