Odpowiedź :
Zad. 1
A) P=a*h = 6*7 = 42cm2
B) P= ef/2 = (7*12)/2 = 84/2 = 42cm2
Zad. 2
P= ah = 5*6 = 30cm2
Ob = 2a + 2b = 2*5 + 2*7 = 10 + 14 = 24cm
Zad. 3
Ob = 4a = 4*5 = 20cm
P = ef/2 = (6*8)/2 = 48/2 = 24cm2
Zad. 1
A) P=a*h = 6*7 = 42cm2
B) P= ef/2 = (7*12)/2 = 84/2 = 42cm2
Zad. 2
P= ah = 5*6 = 30cm2
Ob = 2a + 2b = 2*5 + 2*7 = 10 + 14 = 24cm
Zad. 3
Ob = 4a = 4*5 = 20cm
P = ef/2 = (6*8)/2 = 48/2 = 24cm2