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area of sphere formula in maths. See Surface area of a cylinder. Substituting the numbers into the formula for calculating surface area we can calculate the following.
For any sphere Curved Surface area Total surface area If surface area A is given then radius of the sphere can be calculated as r A 4p r A 4 p. Surface Area 4 p r 2. P p 4 p 4 2 1 2 32 p.
Surface area of a sphere verified experimentally.
Applying the formula for the area of the circle we can calculate the following. The surface area is half of a sphere. Since a sphere is a combination of a curved surface and a flat base to find the total surface area we need to sum up both the areas. Surface area of a sphere verified experimentally.