Odpowiedź :
P = (a + b) * h : 2
a = 6cm
b = 2cm
h = 3cm
P = (6 + 2) * 3 : 2 = 8 * 3 : 2 = 24 : 2 = 12cm²
Pole trapezu=a+b*h/2
a=6cm
b=2cm
h=3cm
P=6cm+2cm*3cm/2=8cm*3cm/2=24cm2/2=12cm2
Odp.: Pole trapezu wynosi 12cm2
P = (a + b) * h : 2
a = 6cm
b = 2cm
h = 3cm
P = (6 + 2) * 3 : 2 = 8 * 3 : 2 = 24 : 2 = 12cm²
Pole trapezu=a+b*h/2
a=6cm
b=2cm
h=3cm
P=6cm+2cm*3cm/2=8cm*3cm/2=24cm2/2=12cm2
Odp.: Pole trapezu wynosi 12cm2