Jawabanmu

2014-02-20T21:38:16+07:00
Rumus bidang miring yaitu:
KM =  \frac{W}{F} =  \frac{s}{h}
1 5 1
2014-02-21T00:01:45+07:00
Km = w/h = s/h
km =2 x 3, 142 x r / d