Question

If $\overset{\rightarrow}{AO} + \overset{\rightarrow}{OB} = \overset{\rightarrow}{BO} + \overset{\rightarrow}{OC},$ then A, B, C form

• A. Equilateral triangle
• B. Right angled triangle
• C. Isosceles triangle
• D. Line

Answer 1

Answer: (C)

Isosceles triangle

Answer 2

$\overset{\rightarrow}{AB} = \overset{\rightarrow}{BC}$ (as given). Hence it is an isosceles triangle.