Mathematics: The unisphere is the world s largest man-made globe. it was built as the symbol of the 1964-1965 new york world s fair. a sphere with the same diameter as the unisphere globe would have a surface area of 45,239 square feet. what is the diameter of the unisphere?

The unisphere is the world s largest man-made globe.

Ответ:

21ghostrider21

13.01.2022

$\bf \textit{surface area of a sphere}\\\\
A=4\pi r^2\qquad 
\begin{cases}
r=radius=\frac{diameter}{2}\\
diameter=2r\\
----------\\
A=45,239
\end{cases}\implies 45,239=4\pi r^2$

solve for "r", to see what the radius is

keep in mind that, the diameter is just "2r"

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Ответ:

oliviaboils

03.12.2021

Mathematics

838383 38 8383 83 8383jjc

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The unisphere is the world's largest man-made globe. it was built as the symbol of the 1964-1965 new york world's fair. a sphere with the same diameter as the unisphere globe would have a surface area of 45,239 square feet. what is the diameter of the unisphere?

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