Odpowiedź :
pp= 1/2*6*8=24cm^2
pb= 10*12+6*12+8*12=120+72+96=288cm^2
pc=2*24cm^2+288cm^2=336cm^2
P = 2*½ah = 2*½*6*8 = 2*3*8 = 48cm²
P = 10*12 = 120cm²
P = 6*12 = 72cm²
P = 8*12 = 96cm²
P = 120+72+96+48 = 336cm²
pp= 1/2*6*8=24cm^2
pb= 10*12+6*12+8*12=120+72+96=288cm^2
pc=2*24cm^2+288cm^2=336cm^2
P = 2*½ah = 2*½*6*8 = 2*3*8 = 48cm²
P = 10*12 = 120cm²
P = 6*12 = 72cm²
P = 8*12 = 96cm²
P = 120+72+96+48 = 336cm²