Volume ¼ tabung=¼×π×r²×t
=¼×22/7×21×21×40
=¼×22×3×21×40
=22×3×21×10
=13.860cm³
Volume balok= p×l×t
=40×21×7
=5.880cm³
Luas keseluruhan bangun ruang= 13.860+5.880=19.740cm³
Itu jawabannya sama caranya, semoga membantu ya
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Volume ¼ tabung=¼×π×r²×t
=¼×22/7×21×21×40
=¼×22×3×21×40
=22×3×21×10
=13.860cm³
Volume balok= p×l×t
=40×21×7
=5.880cm³
Luas keseluruhan bangun ruang= 13.860+5.880=19.740cm³
Itu jawabannya sama caranya, semoga membantu ya