How to solve question 22?
Attachments:
Answers
Answered by
3
Answer:
ABO + OBE = 180°
165 + OBE = 180
OBE = 180 - 165 = 15
CEB = 75° [ Alternate interior angles]
CEB + BEO = 180 [LINEAR PAIR]
BEO = 180 - 75 = 105
In triangle BEO,
EBO + BEO + BOE ( or BOC) = 180 [ Interior Angle Sum property]
15 + 105 + BOC = 180
BOC = 180 - 120
BOC = 60°
Similar questions