ada yang tau no 10 ga
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r = 14 cm
t = 15 cm
Luas permukaan tabung
= 2 x π x r x (r + t)
= 2 x 22/7 x 14 x (14 + 15)
= 2 x 22 x 2 x 29
= 2.552 cm²
Penjelasan dengan langkah-langkah:
Diketahui :
R = 14 Cm
T = 15 Cm
Ditanya = Luas Tabung = ?
Jawab :
Luas Tabung = 2 × P × R
= 2 × 3,14 × 14 ( 14 + 15 )
= 88 ( 14 + 15 )
= 88 ( 29 ) = 88 × 29
= 2552 Cm²
Semoga membantu,maaf kalau salah