Question

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

Answer 1

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