Tolong bantu dong kakak dari 35 sampai 41
No 35 = C.
No 36= 7×7×7=49×7=343(C)
No 37= 13×4×8=52×8=416(B)
No 38=42×42=1,764×42=74.088(A)
No 39= 15×12×10=180×10=1800Liter(C)
No 40= (A)
No 41= (C)
35. D. vi
36. V = s³
= 7³ cm
= 343 cm³
(C)
37. V = 13 × 8 × 4
= 416 cm³
(B)
38. s = ∛74088 cm³
= 42 cm
(A)
39. V = 15 × 12 × 20
= 1800 dm³
(C)
40. sisi kubus = ∛1000 cm³
= 10 cm
p balok = 20 cm
1000 = 20 × l × t
l × t = 50
l = 10 cm
t = 5 cm
Lp = 2 (20×10) + (20×5) + (10×5)
= 200 + 100 + 50
= 2 (350) cm²
= 700 cm²
(C)
"tolong jadikan yg terbaik"