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Jarak asli = 1.800 * 12 = 21600 cm atau 216 m (a)
13. -
14. -
15. 2 liter = 84 km
3 1/2 liter = ...km?
3 1/2 - 2 = 1 1/2
(84/2) * 1 1/2 = 63
jarak = 84+63 = 147 km (D)
16. A.Kubus
17. A.3
18. D.CD
19. B.Lingkaran
20. K = 4*s
48 = 4*s
s = 48/4 = 12 cm
L = s*s
= 12*12 = 144 cm persegi
21. K = 2*(p+l)
80 = 2*(p+14)
80 = 2p + 28
2p = 80-28 = 52
p = 52/2 = 26 cm (B)
22. D.1/2*jml.sisi.sjjr*t
23. a.prisma segitiga
24. La = 784
784 = s*s
s = akar dari 784 yaitu 28 cm
V = s*s*s
= 28*28*28 = 21952 cm persegi (C)
Semoga membantu, maaf jika ada yang salah hitung :)