What is the circumference of a sphere with a diameter of 64ft

4096π ≈ 12867.96 ft

Step-by-step explanation:

The circumference of a sphere is denoted by: C = 4πr², where r is the radius.

We know that the diameter is twice the radius, so since the diameter is 64, then the radius is 64/2 = 32 feet.

Now, plug 32 into the equation:

C = 4πr²

C = 4π * 32² = 4096π ≈ 12867.96 ft

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

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