Ai555
32. s = akar(t^2 + r^2) s = akar(12^2 + 9^2) s = akar(144 + 81) s = akar(225) s = 15 m L(selimut) = phi × r × s Ls = 3,14 × 9 × 15 Ls = 423,9 m^2 Biaya yang harus disediakan = 423,9 × 12.000 = Rp. 5.086.800,00 (A)
33. BC = akar(AC^2 - AB^2) BC = akar(10^2 - 6^2) BC = akar(100 - 36) BC = akar(64) BC = 8 cm (D)
s = akar(12^2 + 9^2)
s = akar(144 + 81)
s = akar(225)
s = 15 m
L(selimut) = phi × r × s
Ls = 3,14 × 9 × 15
Ls = 423,9 m^2
Biaya yang harus disediakan = 423,9 × 12.000 = Rp. 5.086.800,00 (A)
33. BC = akar(AC^2 - AB^2)
BC = akar(10^2 - 6^2)
BC = akar(100 - 36)
BC = akar(64)
BC = 8 cm (D)