Odpowiedź:
Zadanie 5
a)
a = 10cm
b = 8cm
c = 6cm
h = bc/2a = 8*6/20 = 48/20 = 2,4
b)
a = 25cm
b = 48cm
c = 14cm
h = bc/2a = 48*14/20 = 672/20 = 33,6
Zadanie 6
a) 8 = 4*2
m = d*v
b) 3 = 15/5
t = W/P
c) 2 = 20/10
P = E/t
