# Solution: Find the distance along a 3 degree arc at the equator of the earth’s surface

Assuming that the earth is sphere whose radius is 6400 km. Find the distance along a 3 degree arc at the equator of the earth’s surface.

#### Problem Statement: ECE Board April 1999

Assuming that the earth is sphere whose radius is 6400 km. Find the distance along a 3 degree arc at the equator of the earth’s surface.

The distance along a 3 degree arc at the equator of the earth’s surface is 335.10 km.

Solution:

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