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Q: Formula for calculating the area of sphere?

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Formula for calculating the area of a hemisphere... Area = (4 x pi x r2) / 2

Surface area of a sphere = 4πr2

SA = 4 π r2 (SA is surface area = 4 (X) pi(3.142) (X) R(adius) squared

(4/3)*pi*r^3 pi is constant 3.14, r is radius of the sphere.

Surface area of a sphere = 4*pi*radius2

The formula for the surface area of a sphere is: 4 pi r 2

The formula for the surface area of a sphere is 4*pi*r2

Use the formula for volume to solve for the radius of the sphere and then plug that radius into the formula for the surface area of a sphere.

V=4/3*Pi*r3 where r is the radius.

Surface area of a sphere = 4*pi*radius2

There is NO equation for the area of a sphere Assuming you mean surface area, the surface area of a sphere of radius r is 4πr^2.

area of dish end

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The area of a sphere is 4 (pi) (radius)2. The area of 1/2 of the sphere is 2 (pi) (radius)2. If you want to add in the flat end of the hemisphere, that makes the total surface area 3 (pi) (radius)2.

The formula for calculating the volume of a hexagonal prism is to take the area of the hexagon, then multiply it by the height of the prism.

The formula for the surface area of a sphere.

Surface area of a sphere = 4 x (pi) x (radius)2

A volleyball is a sphere. The formula for the surface area of a sphere is: 4 pi r2 where pi is about 3.1416 and r is the radius.

Area = half x base x height

The formula is 1/2 (apothem) (perimeter)

A sphere is a three dimensional object with a diameter equal in all places. At any cross section it will be circular. The formula for the volume of a sphere is and the formula for its surface area is

A sphere has only a surface area and no lateral area since it has no base. The surface area is 4(pi)r2.

The formula for the surface area of a sphere is 4πr2. The formula for the volume of a sphere is 4/3πr3.

They are both 3D shapes and use pi in calculating area or volume

The answer will depend on what information you have.