Jawaban:
880 cm2
Penjelasan dengan langkah-langkah:
Luas permukaan tabung
L = 2 x Luas lingkaran + luas selimut
= 2 x (22/7 x 7 x 7) + (2 x 22/7 x 7 x 13)
= 2 x 154 + 572
= 308 + 572
= 880 cm2
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Jawaban:
880 cm2
Penjelasan dengan langkah-langkah:
Luas permukaan tabung
L = 2 x Luas lingkaran + luas selimut
= 2 x (22/7 x 7 x 7) + (2 x 22/7 x 7 x 13)
= 2 x 154 + 572
= 308 + 572
= 880 cm2