Odpowiedź :
Odpowiedź:
1m = 100cm
4dm = 40cm
Pole trapezu = a+b/2 × h
Pt = 100 + 40/ 2 × 2 = 140cm²
140cm² = 14dm²
[tex]1m =10dm[/tex]
[tex]P=\frac{(a+b)*h}{2} = \frac{(10 + 4)*2}{2} = \frac{14*2}{2} =14dm^2[/tex]
Odpowiedź:
1m = 100cm
4dm = 40cm
Pole trapezu = a+b/2 × h
Pt = 100 + 40/ 2 × 2 = 140cm²
140cm² = 14dm²
[tex]1m =10dm[/tex]
[tex]P=\frac{(a+b)*h}{2} = \frac{(10 + 4)*2}{2} = \frac{14*2}{2} =14dm^2[/tex]