Tweets

This page lists questions and answers that were posted by visitors named Tweets.

Questions

The following questions were asked by visitors named Tweets.

The surface area of a sphere is given by the formula 4pi r2, where is it's radius. Although the shape of earth is noth exactly spherical, it has an average radius of 3960 miles. Estimate the surface area of earth.
14 years ago

Answers

The following answers were posted by visitors named Tweets.