Answer :
Answer:
B. BC = 122 units.
Step-by-step explanation:
We are given a right angled triangle with sides,
AB = 22 units
AC = 120 units.
We know that, Pythagoras Theorem gives,
[tex]Base^{2}+Perpendicular^{2}=Hypotenuse^{2}[/tex]
i.e. [tex]AC^{2}+AB^{2}=BC^{2}[/tex]
i.e. [tex]120^{2}+22^{2}=BC^{2}[/tex]
i.e. [tex]14400+484=BC^{2}[/tex]
i.e. [tex]14884=BC^{2}[/tex]
i.e. BC = ±122
Since, the sides of a triangle cannot be negative.
We get, BC = 122 units.
Thus, option B is correct.