Odpowiedzi

2010-04-06T18:21:20+02:00
2/3h=r
r=4
2/3h=4
1/3h=2
h=6

a√3 przez 2=6
a√3=12
a=4√3

P=1/2ah
P=1/2x4√3x6
P=4√3x3
P=12√3
2010-04-06T18:24:42+02:00
R = 4 cm
d = 8 cm
P = 8 cm
h = 4√3 cm

Pc = 1/2 * 8 cm * 4√3 cm
Pc = 16√3 cm2
2010-04-06T18:44:30+02:00
2/3h = 4
1/3h = 2
h = 6

a√3 / 2 = 6
a√3=12
a=4√3

P=1/2a *h
P=1/2 *4√3*6
P=1/2 * 24√3
P=12√3 cm2