Calculation: xJV8XS - 1

S_lat  = 
 
 1
/ 2
* P* h_s
S_lat =  
 1
/ 2
* P* h_s
S_lat = 1/2*P*h_s
S_lat =  
 P* h_s
/ 2
S_lat = P*h_s/2
S_lat =  0.5* P* h_sS_lat = 0.5*P*h_s