plz plz plz so urgent...
Attachments:
Answers
Answered by
2
Answer:
∠ACE = 80°
∠ACB = 65°
∠ABC = 35°
Step-by-step explanation:
∠BAC = ∠ACE (alternative angles)
=> ∠ACE = 80°
∠ACB + ∠ACE + ∠ECD = 180° ( straight line)
=> ∠ACB + 80° + 35° = 180°
=> ∠ACB = 65°
∠ACB + ∠BAC + ∠ABC = 180° ( sum of angle of triangle)
=> 65° + 80° + ∠ABC = 180°
=> ∠ABC = 35°
Similar questions