Help me with this geometry take home test question please?

bryce j

New member
Imagine that one wire is wrapped around a basketball's "equator" and another wire is wrapped around Earth's equator. If one foot is added to the basketball's wire, it could form a circle whose diameter is about 3.8 inches greater then the diameter of the basketball. If one foor is added to the Earth's wire, how much greater with the diamter be?
 
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