Find the value of (α + β)?
Answer & explanation
Correct answer: option 2
In Δ ABC:
Exterior angle (∠C) = ∠A + ∠B = α + 60°
In Δ CDF:
Exterior angle (∠F) = ∠C + ∠B = α + 60° + β
⇒ 60° + α + β = 150°
⇒ α + β = 90°
Find the value of (α + β)?
Correct answer: option 2
In Δ ABC:
Exterior angle (∠C) = ∠A + ∠B = α + 60°
In Δ CDF:
Exterior angle (∠F) = ∠C + ∠B = α + 60° + β
⇒ 60° + α + β = 150°
⇒ α + β = 90°