Seudónimo
Seudónimo
12-04-2018
Mathematics
contestada
Please help? I have 2 questions. Thank you.
Respuesta :
Аноним
Аноним
12-04-2018
Surface area of a sphere = 4πr² = 4π(15)² =
900π m²
Surface area of a sphere = 4πr² = 4π(10)² =
400π m²
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