courtj17 courtj17

16-07-2016
Mathematics

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What is the volume of the cone to the nearest tenth?

1,520.5 m^3
552.9 m^3
829.4 m^3
1,244.1 m^3

What is the volume of the cone to the nearest tenth 15205 m3 5529 m3 8294 m3 12441 m3 class=

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dalendrk dalendrk

16-07-2016

[tex]V=\dfrac{1}{3}\pi r^2H\\\\2r=22m\to r=11m;\ H=12m\\\\V=\dfrac{1}{3}\pi\cdot11^2\cdot12=\pi\cdot121\cdot4=484\pi\ (m^3)\\\\V\approx484\cdot3.14=1,519.76\approx1,519.8\ (m^3)\\\\Answer:1,520.5\ cm^3[/tex]

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