ainaya ainaya
  • 25-05-2016
  • Mathematics
contestada

ruang tamu pak johan bebentuk persegi panjang berukuran 3m*4m.ruang tamu tersebut akan dipasang ubin berukuran 25cm*25cm. banyak ubin yang diperlukan adalah...

Respuesta :

ostein
ostein ostein
  • 25-05-2016
3x4m=12m2
25x25=625
M2-C2=(___)x10000
12x10000=120000
120000/625=192
Ubin yang diperlukan 192
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