Q1) The surface area of a sphere is given by
where is the radius of the sphere.
The radius of the earth is 6378 km.
1. Find the surface area of the earth.
2. Rearrange the formula to find an expression for .
3. The surface area of the moon is 37.93 million km2. What is its radius?
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Step-by-step explanation:
According to modern estimates, the surface area of the Earth is approximately 510 million square km (5.1 x 108 km2) or 196,900,000 square miles. Determining this was not only a matter of ascertaining Earth's dimensions, but also its proper shape.Feb 10, 2017 please follow me
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