Question
the earth is approximately sphere of radius 6.37*10^6 meter.what is its surface area in square km? what is its volume in cubic km?
Answers
Steve
a = 4πr^2
v = 4/3 πr^3
plug and chug with r = 6370 km
v = 4/3 πr^3
plug and chug with r = 6370 km