3. B. 120 DM
ubah semua ke DM
100cm= 10dm
125cm= 12,5dm
masukkan rumus :
V= p.l.t
1500=p×10×12,5
1500=125p
1500:125=p
125=panjangg
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3. B. 120 DM
ubah semua ke DM
100cm= 10dm
125cm= 12,5dm
masukkan rumus :
V= p.l.t
1500=p×10×12,5
1500=125p
1500:125=p
125=panjangg