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## Homework Statement

Assuming that the earth describes in one year a circle, of 92500000 mile radius, whose center is the sun, how many miles does the earth travel in a year?

## The Attempt at a Solution

How does knowing the radius of the earth help me with this problem? I dont need the radius of the earth I need to know the distance from the earth to the sun which will be the radius.... then I can solve it...

Is this correct?