Tolong jawab yaaaaa tolong

1.luasprmkaantabung=2×phixr² + 2xphixr x t
=2x22/7x7x7 + 2x22/7 x7x10
=44x7 + 44x10
=308+440=748cm³

2.Volume tabung=phi x r² x t
=22/7 x 14 x 14 x 10
=22 x 2 x 140
=44x140
=6160cm³
3.volume bola=4/3 x phi x r³
=4/3 x 22/7 x 21 x 21 x21
=4x22x3x7x21
=88x21x21
=38808cm3

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