V = πr²t
V = 22/7 × 28 × 28 × 56
V = 22 × 4 × 28 × 56
V = 88 × 28 × 56
V = 2464 × 56
V = 137.984 cm³
--
Lp = 2πr(r + t)
Lp = 2 × 22/7 × 28 (28 + 56)
Lp = 2 × 22 × 4 (28 + 56)
Lp = 44 × 4 (28 + 56)
Lp = 176 (28 + 56)
Lp = 176(84)
Lp = 14.784 cm²
Jawaban dan langkah-langkah:
Diketahui:
Jari-jari (r) = 28 cm
Tinggi (t) = 56 cm
Ditanya:
Luas permukaan dan volume?...
Penyelesaian:
LP = 2πr(r + t)
= 2 × 22/7 × 28(28 + 56)
= 2 × 22 × 4(84)
= 44 × 4(84)
= 176(84)
= 14.784 cm²
= 22/7 × 28² × 56
= 22/7 × 784 × 56
= 22 × 112 × 56
= 2.464 × 56
= 137.984 cm³
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V = πr²t
V = 22/7 × 28 × 28 × 56
V = 22 × 4 × 28 × 56
V = 88 × 28 × 56
V = 2464 × 56
V = 137.984 cm³
--
Lp = 2πr(r + t)
Lp = 2 × 22/7 × 28 (28 + 56)
Lp = 2 × 22 × 4 (28 + 56)
Lp = 44 × 4 (28 + 56)
Lp = 176 (28 + 56)
Lp = 176(84)
Lp = 14.784 cm²
Jawaban dan langkah-langkah:
Diketahui:
Jari-jari (r) = 28 cm
Tinggi (t) = 56 cm
Ditanya:
Luas permukaan dan volume?...
Penyelesaian:
LP = 2πr(r + t)
= 2 × 22/7 × 28(28 + 56)
= 2 × 22 × 4(84)
= 44 × 4(84)
= 176(84)
= 14.784 cm²
V = πr²t
= 22/7 × 28² × 56
= 22/7 × 784 × 56
= 22 × 112 × 56
= 2.464 × 56
= 137.984 cm³