P1 = 8 cm · 5 cm = 40 cm2
P2 = 9 cm · 5 cm = 45 cm2
P3 = 10 cm · 5 cm = 50 cm2
P4 = 3 cm · 5 cm = 15 cm2
Pb = 40 cm2 + 45 cm2 + 50 cm2 + 15 cm2 = 150 cm2
Pc = Pb + Pp + Pp = 150 cm2 + 48 cm2 + 48 cm2 = 150 cm2 + 96 cm2 = 246 cm2
Oblicz pola prostokątów i trapezu. Podstaw dane do wzoru.