Question

In figura de mai jos sunt desenate patru puncte coliniare A,B,C,D.
Precizati valoarea de adevar a propozitiilor:
a)AC=AB+BC.........(A)..........
b)AD=AB+CD.........( )..........
c)BC=BD-CD..........( )..........​
d)AD=AB+BC+CD............
e)AD =AC+BC..........
f)BC=AD-AB-CD......
g)BC=AC-AB.........
h)AD=AC+BD.........
i)BD=BC+CD.........

Answer 1

Răspuns:

a) Adevarat

b)Fals

c)Adevarat

d)Adevarat

e)Fals

f)Adevarat

g)Adevarat

h)Fals

i)Adevarat