Mathematics
Junior High

math📐

この球の表面積の求め方を教えて頂きたいです🙌

(01 b338 (4) 半径2cmの半球 0151 S5344 SBA ba S 2cm d ARA 13 S

Answers

球の表面積は4πr² (rは半径)

半球なので半分にして
底面の円の面積を足してください

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