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how to calculate surface area of sphere. A O r 2 displaystyle AOmega r 2 where O is the solid angle of the spherical sector in steradians the SI unit of solid angle. SA 4pr 2 where r is the radius Xael doesnt like sharing her chocolate truffles with anyone.
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Square the radius by multiplying it by itself. A sphere is a perfectly round 3 dimensional object ie. Surface area of a sphere 4pr2 square units.
This nearly ancient formula is still the easiest way to.
Square the radius by multiplying it by itself. Surface Area of a Sphere calculator uses Surface Area4piRadius2 to calculate the Surface Area The surface area of a sphere can be defined as a measure of the total area that the surface of a sphere occupies. It will also give the answers for volume surface area and circumference in terms of PI p. The radius is the distance from the center of the sphere to the edge of that sphere.
