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Across the Equator

The circumference of the Earth is approximately 40,000 km. If we made a circle of wire around the globe, that is only 10 meters (0.01 km) longer than the circumference of the globe, could a flea, a mouse, or even a man creep under it?

SOLUTION : It is easy to compare old and new perimeter - original perimeter is 2xPIxR, length of wire is 2xPIx(new R) and find out that the result is about 1.6 m. So a smaller man can go under it and a bigger man ducks.

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