Sпов = 4πR² = 4 · π · 5² = 4 · π · 25 = 100π см²
V = 4/3 πR³ = 4/3 · π · 5³ = 4/3 · 125 · π = 500/3 π см³
Sпов = 4πR² = 4 · π · 5² = 4 · π · 25 = 100π см²
V = 4/3 πR³ = 4/3 · π · 5³ = 4/3 · 125 · π = 500/3 π см³