Odpowiedzi

2009-11-06T17:48:02+01:00
F= 20 cm y=?
h1= 30 cm p=?
x= 60 cm h2=?

y=60* 20: 60-20=1200:40=30 y=30
p=30:60=½ p=½
h2=½* 30 cm= 15 cm h2=15 cm
2009-11-06T17:51:35+01:00
D:
f= 20 cm
h₁=30 cm
x=60 cm

y= 60 cm* 20 cm /60 cm - 20 cm= 1200/ 40= 30

y=30

p=y/x

p=30/60= 0,5

h₂=h₁*p

h₂=30 cm * 0,5= 15 cm
2009-11-06T18:52:27+01:00
Y= 60 cm* 20 cm /60 cm - 20 cm= 1200/ 40= 30
p=30/60= 0,5
h₂=30 cm * 0,5= 15 cm