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Earn +20 ptsQ: Can a sphere slide
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Continue Learning about Algebra
What shape is a sphere cut in half?
it's a semi-sphere circle is to semi-circle as sphere is to semi-sphere
How do you find the radius of a sphere?
You have to cut the sphere in half and then measure across.
Suppose the sphere below with radius r has a surface area equal to 45 units 2 Find the surface area of the sphere with twice the radius'?
The area of a sphere is given by the formula A = 4πr² A sphere with radius r has an area = 4πr² A sphere with radius 2r has an area = 4π(2r)² = 4π.4r² = 16πr² The ratio of the larger sphere to the smaller = 16πr² : 4πr² = 4 : 1 If the area of the smaller sphere is 45 units then the area of the larger sphere is 45 x 4 = 180 units.
How do you find volume of a sphere?
The volume of a sphere is 4 / 3 * pi * r3
What is the circumference of a sphere with a diameter of 20 inches?
The circumference of the sphere is ~62.831 inches.
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