tolong isi nomor 2 dong pls

Answer (^.^)
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Pertayaan yg diajukan = 1
Sub. Bab = Bangun Ruang

Pembahasan :
Luas permukaan tabung
= π × d × ( r + t )
= 3,14 × 40 cm × ( 20 cm + 55 cm )
= 125,6 cm × 75 cm
= 9420 cm² [tex] [/tex]
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