2009 · Q32
A, B, C, D are four distinct points on a circle whose centre is at O. If OBD – CDB = CBD – ODB, then what is A equal to?
Elementary MathematicsMensuration
- A45°
- B60°
- C120°
- D135°
Explanation
Solved; answer B.
A, B, C, D are four distinct points on a circle whose centre is at O. If OBD – CDB = CBD – ODB, then what is A equal to?
Explanation
Solved; answer B.