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4r = 56
R = 56:4 = 14
Vol= 14x14x14 = 2744 cm3
No 13
1512 : 126 = 12
No 14
Vol kubus
10x10x10 = 1000
Vol balok = 5 x vol kubus = 5 x 1000 = 5000
No 15
Vol kubus = 10x10x10 = 1000
Jawaban:
12. 2744 cm³
13. 12 dm
14. 5.000 cm³
15. 1000 cm³
Penjelasan dengan langkah-langkah:
12. volume Kubus
= s × s × s
= 14 × 14 × 14
= 2744 cm³
13. Tinggi Balok
= Volume Balok ÷ Luas alas
= 1512 ÷ 126
= 12 dm
14. Volume Kubus
= s × s × s
= 10 × 10 × 10
= 1.000 cm³
Volume Balok
= Volume Kubus × 5
= 1.000 × 5
= 5.000 cm³
15. Volume Kubus
= s × s × s
= 10 × 10 × 10
= 1.000 cm³