Understanding Sphere Radius Formula
Radius is calculated from volume (r = ∛(3V/4π)), surface area (r = √(A/4π)), or diameter (r = d/2).
Worked Example
From volume V = 523.60 cm³: r = ∛(3 × 523.60 / 4π) = 5.00 cm.
Radius is calculated from volume (r = ∛(3V/4π)), surface area (r = √(A/4π)), or diameter (r = d/2).
From volume V = 523.60 cm³: r = ∛(3 × 523.60 / 4π) = 5.00 cm.
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Read Archimedes' ancient discovery and modern calculus proof.