Odpowiedzi

2010-01-10T19:23:58+01:00
B=12
a=12
1/2a = 6

12^2 - 6^2 = h^2
144 -34 = h^2
h^2 =110
h=√110

p = 6√110
2010-01-10T19:26:55+01:00
2010-01-10T19:32:33+01:00
H²+6²=12²
h²=144-36
h=√108=√36*3=6√3

P=1/2 *a *h
P=1/2*12*6√3
P=36√3 cm²