Tolong bantu dong nanti aku tandai terbaik deh Nomer 4 sampai 9

4) V = r³
= 7 × 7 × 7
= 343 mainan

5) V = p × l × t
= 30 × 20 × 2
= 1200 m³ × 1.000
= 1.200.000 liter
isi air = 3/5 × 1.200.000
= 720.000 liter

6) V = p × l × t
= 12 × 7 × 9
= 756

7) misal volume = 1 bagian
air yg hrs ditambahkan = 1 - ⅔ = ⅓ bagian
V = ⅓ × r³
= ⅓ × 90 × 90 × 90
= 243.000 cm³ ÷ 1.000
= 243 liter

8) V = p × l × t
= 6 × 3 × ¾
= 13,5 m³ × 1000
= 13.500 liter

9) misal luas tanah 1 bagian
sisa = 1 - ¼ - 3/8
= 8/8 - 2/8 - 3/8
= 3/8
yg ditanami kelapa
= 3/8 × 3,2 ha
= 1,2 ha
= 1,2 × 10.000
= 12.000 m²

Jawabannya:
4. v=r^3
v= 7 .7 .7
v = 49. 7
v= 343 kubus mainan
5. v= panjang. lebar. tinggi
= 30. 20. 2
= 600. 2
= 1200 m^3 . 1000
= 1200000 L
6. v= panjang .lebar .tinggi
= 12. 7. 9
= 84. 9
= 756 cm^2
7. v= 1/3. r^3
= 1/3. 90. 90. 90
= 1/3. 8100. 90
= 1/3. 729000
= 729000/3
= 243000 cm^3/1000
= 243 L
8. v= panjang .lebar. tinggi
= 6. 3. 3/4
= 18. 3 /4
= 54/4
= 13,5 m^3 . 1000
= 13500 L
9. 1- 1/4- 3/8
= 8/8-2/8-3/8
= 6/8-3/8
= 3/8 --- ditanami coklat & kopi
jadi, yg ditanami kelapa masukkan:
3/8. 3,2 ha
= 3. 3,2 / 8
= 9,6/8
= 1,2 ha . 10000
= 12000 m^2

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