Question
The earth is approximately a sphere of average diameter 12740km.
The smallest of the planets is Mercury, also spherical, with average diameter 4840km. Determine what percentages (to the nearest hundredth) the volume and surface area of Mercury are of those of the Earth.
The smallest of the planets is Mercury, also spherical, with average diameter 4840km. Determine what percentages (to the nearest hundredth) the volume and surface area of Mercury are of those of the Earth.
Answers
Damon
area ratio = Dm^2/De^2
volume ratio = Dm^3/De^3
volume ratio = Dm^3/De^3