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Surface area of a sphere = 4*pi*radius squared

Q: What can you use to find the sphere surface area?

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To do this question, we have to ask ourself, what formula do you use to find the surface area of a sphere. The answer should be known to you, but it is 4πr2. Since we know how to find the surface area for a full sphere, then finding the surface for a half sphere is just half the job. You use the formula for the full sphere 4πr2, and divide it by 2... so (4πr2) / 2 . Voila!

The surface area of a sphere with diameter 78 and using 3.14 for Pi is about 19,103.76 units2

Use this formula (Ï€ = Pi): Surface area = 4Ï€r2

You divide the diameter by 2, to get the radius. Then you use the formula for the surface area of a sphere. Surface area of a sphere = 4*pi*radius^2

Use the formula: area = 4 pi radius2.

Related questions

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.

To do this question, we have to ask ourself, what formula do you use to find the surface area of a sphere. The answer should be known to you, but it is 4πr2. Since we know how to find the surface area for a full sphere, then finding the surface for a half sphere is just half the job. You use the formula for the full sphere 4πr2, and divide it by 2... so (4πr2) / 2 . Voila!

The surface area of a sphere with diameter 78 and using 3.14 for Pi is about 19,103.76 units2

Use this formula (Ï€ = Pi): Surface area = 4Ï€r2

Use this formula: 4 x pi x radius2

To find the surface area of a hemisphere, you can use the formula: SA = 2πr^2, where r is the radius of the hemisphere. This formula takes into account the curved surface area of the hemisphere.

You divide the diameter by 2, to get the radius. Then you use the formula for the surface area of a sphere. Surface area of a sphere = 4*pi*radius^2

circular calculations. circumference, area of circle, vol of sphere, surface area of sphere, etc.

To calculate the surface area of a sphere use the formula - 4pr2 r being the radius of the sphere. and 'p' being pi 3.14...

Use the formula: area = 4 pi radius2.

No, because the volume of a sphere = 4/3*pi*radius3 in cubic units But the surface area of a sphere = 4*pi*radius2 in square units

The earth is nearly a spherical object and its surface area = 4*pi*radius2