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TERIMAKASIH YANG JAWAB
TERIMAKASIH YANG JAWAB
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Jawaban:
(B.) 3.432 Cm²
Caranya:
Diketahui: Ditanya:
Tali busur tabung = 28 cm Luas Permukaan Tabung
Tinggi = 25 cm
Jari - jari = 28 : 2
= 14 cm
Penyelesaian:
Luas permukaan tabung = 2 x π x r x (r + t)
= 2 x 22/7 x 14 x (14 + 25)
= 2 x 22 x 2 x 39
= 3.432 Cm²
Jadi luas permukaan tabung adalah 3.432 Cm² (B.)
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Mata Pelajaran : Matematika
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