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Surface area of a sphere in square units = 4*pi*radius^2

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Q: Find the surface of a sphere whose diameter is d?
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Find the surface area of a sphere with a diameter of 78 use 3.14 for pi?

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


If you know the diameter of a sphere you can find its surface area?

Yes, that's true. The surface area is (the square of the diameter) multiplied by (pi).


How do you find the diameter of a sphere when you have the surface area?

Using the formula for the surface area of a sphere, which is SA = 4 (pi) r2, you can find the radius, and the diameter of the sphere is twice the radius. Example: If the surface of a sphere is 380 square cm 4 (pi) r2 = SA 4 (3.1416) r2 = 380 12.5664 r2 = 380 r2 = approx. 30.24 r = 5.5 and diameter D = 11 cm


How do you find the total surface area of a hemisphere whose diameter is 8 inches?

Calculate the radius (it is half the diameter).Use the formula for a sphere: area = 4 x pi x radius2.Since a hemisphere is half a sphere, divide this result by 2.Question:Do you mean the surface area to include the flat face of the hemisphere?If so then follow the above instructions and add pi*42 to your answer which will give you the complete surface area of the hemisphere.


How do you find true length of a sphere?

The length of a sphere is its diameter


How do you find the surface area of a sphere to the nearest square meter?

-- You have to ask somebody for the radius of the sphere, in meters. If they tell you the diameter instead, then the radius is 1/2 of the diameter, in meters. -- Multiply (4) times (pi) times (the radius)2 . That's the surface area of the sphere, in square meters. -- Round the answer to the nearest square meter.


Find the diameter of a sphere 1.5m. and find the radius?

If the diameter is 1.5m then the radius is 0.75 m. If the diameter is not 1.5m then it what is 1.5m?


How do you find the circumference of a sphere?

Circumference = π * Diameter


How do you find the curved surface area of sphere?

Surface area of a sphere = 4*pi*radius2


What can you use to find the sphere surface area?

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


Formula to find out the Earth's surface area?

The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.The Earth is close enough to a sphere, so you can use the formula for a sphere: 4 x pi x r2. "r" is the radius; if you find the diameter of Earth somewhere, divide it by 2 to get the radius.


How do you find the volume with the diameter?

The volume of a sphere is 1/6*pi*d3 where d is the diameter.