Obliczenie: kFje6T - 1

S_boc  = 
 
 1
/ 2
* (P1+P2)* h_s
S_boc =  
 1
/ 2
* (P1+P2)* h_s
S_boc = 1/2*(P1+P2)*h_s
S_boc =  
 P1* h_s
/ 2
+ 
 P2* h_s
/ 2
S_boc = P1*h_s/2+P2*h_s/2
S_boc =  0.5* P1* h_s+ 0.5* P2* h_sS_boc = 0.5*P1*h_s+0.5*P2*h_s