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A heap of wheat is in the form of a cone whose diameter is \(10.5 m\) and height is \(3 m\). Find its volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas required.
Volume of a cone \(=\)
Area of the canvas \(=\)
Answer variants:
\(52.26 m^2\)
\(99.82 m^2\)
\(123.25 cm^3\)
\(86.625 m^3\)
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