Jawabanmu

2014-01-07T16:33:10+07:00
Diameter pd gambar = 0,5 cm.
Diameter sebenarnya= diameter pd gambar x skala = 0,5 x  1000 = 500 cm= 5 m
r= d =  x 5 = 2,5 m
2014-01-07T16:36:03+07:00
0,5cm× \frac{1000}{1} =500cm=5m(diameter)
jari-jari= \frac{diameter}{2} = \frac{5}{2} =2,5m
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