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Earn +20 ptsQ: What is the radius if area of a sphere is 4 meter square?
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What is the surface area of the sphere with a radius of 1 meter?
The surface area S of a sphere with radius r is S = 4 Pi r2 So: 4 x Pi = 12.5663706144 r2 = 1 Meaning the answer is 12.5663706144 square metres
Surface area of a sphere with a radius of 9?
The sphere's surface area is ~1,017.9 square units.
What is the surface area of sphere of a radius 2 meter?
Surface area = 50.26548 m2
If the surface area of a sphere is increased by a factor of 4 what is the change in the length of the radius of the sphere?
The area of a sphere is A=4*3.14 * r^2. Thus the area varies as the square of the radius. If the surface area is increased by a factor of 4, then the radius will have to increase by the square root of 4 which is 2.
Is the surface area of a sphere with a radius of 4.5?
Surface Area = 254.47 square units
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