17. Który z narysorvanych czworokątów ma najmniejsze pole?

P = a * h
a = 4
h = 6
P = 4 * 6 = 24
P = ( a + b ) * h / 2
a = 5
b = 3
h = 6
P = ( 5 + 3 ) * 6 = 8 * 6 / 2 = 24
P = a * h
a = 4
h = 5
P = 4 * 5 = 20
P = e * f / 2
e = 6
f = 8
P = 6 * 8 / 2 = 24
Figura III ma najmniejsze pole.