Question

The earth has a diameter of 12,742 km at the centre. find the circumference of the earth at its equator ​

Answer 1

Answer:

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Step-by-step explanation:

This is what is known as its “mean diameter”, which in Earth's case is the sum of its polar and equatorial diameters, which is then divided in half. From this, we get a mean diameter of 12,742 km (7917.5 mi).

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Answer 2

Answer:

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