Trzy zd z załącznika daje naj
1)
Bierzemy tg45
tg45 =H / a√2
tg45 = 1
1=H/a√2
H=a√2
V= a²*a√2
Odp: C
2)
I 10*12*18 = 2160
II 12*12*14 = 2016
III = 13*13*13= 2197
3)H = 8
Pp= a²√3* 1/4
V= a²√3 / 4 * H
72√3 = (a²√3)/4 *8
a²=36
a=6 Odp. B
Polecam naj :)
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1)
Bierzemy tg45
tg45 =H / a√2
tg45 = 1
1=H/a√2
H=a√2
V= a²*a√2
Odp: C
2)
I 10*12*18 = 2160
II 12*12*14 = 2016
III = 13*13*13= 2197
3)H = 8
Pp= a²√3* 1/4
V= a²√3 / 4 * H
72√3 = (a²√3)/4 *8
a²=36
a=6 Odp. B
Polecam naj :)