如何计算Sphere
learn.whatIsHeading
A sphere is a perfectly round 3D object where every point on the surface is equidistant from the center. It encloses the maximum volume for a given surface area — a property used by bubbles and cells.
分步指南
- 1Volume = (4/3) × π × r³
- 2Surface area = 4 × π × r²
- 3Diameter = 2r
例题解析
输入
r = 5
结果
V=523.60, SA=314.16
(4/3)π(125), 4π(25)
输入
r = 10
结果
V=4188.79, SA=1256.64
Volume × 8, SA × 4 when r doubles
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