In miles, what is the distance around the Earth at its equator?

The distance around the Earth at its equator is approximately 24,902 miles. This measurement, known as the Earth's equatorial circumference, is derived from the formula for the circumference of a circle (C = 2πr) where "r" is the radius of the Earth. Given that the average radius of the Earth at the equator is about 3,963 miles, substituting this value into the formula results in a circumference that closely approximates 24,902 miles.

Understanding this distance is crucial as it provides insights into various geographical and scientific studies, including navigation, climate studies, and even the calculation of time zones. The other choices, while they may seem plausible, do not accurately represent the equatorial circumference based on the measurements and calculations undertaken by geographers and scientists.