Penjelasan dengan langkah-langkah:
36. banyak botol
= [π (40/2)²10]/(π(10/2)²10)
= 400/25
= 16 botol
37. t = (3 x 14.130)/(3,14 x (30/2)²)
t = 42.390/706,5
t = 60 cm
38. Volume = 6x8/2 x 15/3
= 24 x 5
= 120 cm³
39. Luas selimut = 22/7 x 21 x 40 = 66 x 40 = 2.640 cm²
Luas permukaan = 22/7 x 21 x (21+40) = 66 x 61 = 4.026 cm²
40. Luas permukaan = 22/7 x 14 x (7 + 18)
= 44 x 25
= 1.100 cm²
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Penjelasan dengan langkah-langkah:
36. banyak botol
= [π (40/2)²10]/(π(10/2)²10)
= 400/25
= 16 botol
37. t = (3 x 14.130)/(3,14 x (30/2)²)
t = 42.390/706,5
t = 60 cm
38. Volume = 6x8/2 x 15/3
= 24 x 5
= 120 cm³
39. Luas selimut = 22/7 x 21 x 40 = 66 x 40 = 2.640 cm²
Luas permukaan = 22/7 x 21 x (21+40) = 66 x 61 = 4.026 cm²
40. Luas permukaan = 22/7 x 14 x (7 + 18)
= 44 x 25
= 1.100 cm²