No 14.
d= 28 cm
r=14 cm
34)
D = 28 cm
r = 14 cm
Luas permukaan = 7.392 cm²
2.π. r(r + t) = 7.392
2 x 22/7 x 14(14 + t) = 7.392
2 x 22 x 2(14 + t) = 7.392
88(14 + t) = 7.392
14 + t = 7.392/88
14 + t = 84
t = 84 - 14
t = 70 cm
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No 14.
d= 28 cm
r=14 cm
34)
D = 28 cm
r = 14 cm
Luas permukaan = 7.392 cm²
2.π. r(r + t) = 7.392
2 x 22/7 x 14(14 + t) = 7.392
2 x 22 x 2(14 + t) = 7.392
88(14 + t) = 7.392
14 + t = 7.392/88
14 + t = 84
t = 84 - 14
t = 70 cm