Determinați lungimea segmentuli AB,AC,BC
A -3,0 B -2,-3 c 2,-3 D 2,4


Răspuns :

AB = rad[(-2+3)^2 + (-3-0)^2]
AB = rad(1+9)
AB = rad10

AC = rad[(2+3)^2 + (-3-0)^2]
AC = rad(25+9)
AC = rad34

BC = rad[(2+2)^2 + (-3+3)^2]
BC = rad(16+0)
BC = 4