Ответ:
f1=1500h
f2=100h
s1=300cм2
s2=?
f2/f1=s2/s1
s2=f2*s1/f1
s2=100*300/1500=20(см2)
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Ответ:
f1=1500h
f2=100h
s1=300cм2
s2=?
f2/f1=s2/s1
s2=f2*s1/f1
s2=100*300/1500=20(см2)