4 i 5 pomocy Daję naj to na jutro matematyka klasa 5 geometria

Zad 4 (a+b)*h/2 = (4 cm + 7 cm)*2cm/2 = 11 cm² (8cm+6cm)*1,5 cm/2= 14cm*1,5cm/2= 10,5cm² (3cm+2cm)*3cm/2= 5cm*3cm/2= 7,5cm² Zad 5 P= 450cm² P= 430m² P= 225cm² P= 2km² h= 50cm h= 5cm