Jawab:
L = 2.640 cm²
Penjelasan dengan langkah-langkah:
Luas selimut kerucut :
L = phi x r x s
L = 22/7 x 21 cm x 40 cm
L = 22 x 3 cm x 40 cm
L = 22 x 120 cm²
Semoga bisa membantu
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Jawab:
L = 2.640 cm²
Penjelasan dengan langkah-langkah:
Luas selimut kerucut :
L = phi x r x s
L = 22/7 x 21 cm x 40 cm
L = 22 x 3 cm x 40 cm
L = 22 x 120 cm²
L = 2.640 cm²
Semoga bisa membantu