PC= 8*6= 46 cm² P1= 6*4/2= 24/2=12cm² P2= 3*4/2 = 12/2 =6 cm² P3= 7*2/2 = 14/2 =7 cm² P4= 1*3/2 = 1,5 cm² PW= PC - (P1+P2+P3+P4) PW= PC - (12+6+8+1,5) PW= PC - 27,5 PW= 46 - 27,5 = 18,5 cm²Odp. Pole tego wielokąta wynosi 18,5 cm²
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PC= 8*6= 46 cm²
P1= 6*4/2= 24/2=12cm²
P2= 3*4/2 = 12/2 =6 cm²
P3= 7*2/2 = 14/2 =7 cm²
P4= 1*3/2 = 1,5 cm²
PW= PC - (P1+P2+P3+P4)
PW= PC - (12+6+8+1,5)
PW= PC - 27,5
PW= 46 - 27,5 = 18,5 cm²
Odp. Pole tego wielokąta wynosi 18,5 cm²
P1= 7*4/2= 28/2=14cm²
P2= 3*4/2= 12/2=6 cm²
P3= 7*2/2=14/2=7 cm²
P4= 1*3/2=1,5 cm²
PW= PC- (P1+P2+P3+P4)
PW= PC- (14+6+8+1,5)
PW= PC - 29,5
PW= 46-29,5= 16,5 cm²
Odp. Pole tego wielokąta wynosi 16,5 cm²