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Two lines AB and CD intersect at O. Ray OE lies between OA and OC. If angle AOE = 25° and angle EOC = 40°, find angle BOD.

Class 9Linear Pair and Vertically Opposite AnglesGeometry — Lines and Angles
  • A71
  • B59
  • C65
  • D130

Step-by-Step Solution

Angle AOC = 25 + 40 = 65°. Angle BOD is vertically opposite angle AOC, so angle BOD = 65°.
Answer: C) 65

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