The unisphere is the world's largest man-made globe. it was built as the symbol of the 1964-1965 new york world's fair. a sphere with the same diameter as the unisphere globe would have a surface area of 45,239 square feet. what is the diameter of the unisphere?

solve for "r", to see what the radius is

keep in mind that, the diameter is just "2r"

Rounding decimals is very similar to rounding other numbers. if the hundredths and thousandths places of a decimal is forty-nine or less, they are dropped and the tenths place does not change. for example, rounding 0.843 to the nearest tenth would give 0.8. , your welcome !