kak tolong bantu ya ka
Matematika
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Pertanyaan
kak tolong bantu ya ka
1 Jawaban
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1. Jawaban Firdphire
11. kubus kecil
v= 11 x 11 x 11
v= 1.331[tex]m^{3} [/tex]
kubus besar
v= 20 x 20 x 20
v= 8.000 [tex]m^{3} [/tex]
volume total= 1.331 + 8.000 =9.331 [tex] m^{3} [/tex]
12. v1 = 512 [tex] cm^{3} [/tex]
rusuk = 8 cm
v2 = 125 [tex] cm^{3} [/tex]
rusuk = 5 cm
maka tinggi = 8cm + 5 m = 13 cm
13. 41.200 m2 = 412 are
300 dam2 = 300 are
3 hekta are= 0,03 are
maka = 412 + 300 + 0,03 = 712,03 are
14. 2,7 liter = 2.700 cm3
4 dm3 = 4000 cm3
maka = 2.700 + 4.000 = 6.700 cm3
15. 72 km/jam = 20 m/s