Question

If three angles of a quadrilateral are 50^o, 70^o and 120^o, then the fourth angle of the quadrilateral is:

• A. 180^o
• B. 60^o
• C. 120^o
• D. 240^o

Answer 1

The correct option is C

120^o

Fourth angle = 360^o - (50^o + 70^o + 120^o) = 360^o - 240^o = 120^o