Answer:
∠BAC = 90°
∠ABC = 45°
∠ACB = 45°
Step-by-step explanation:
∠BAC = 90° [Angles in a semi-circle are equal to 90° (BC is diameter)]
∠ABC = ∠ACB [Angles opposite to equal sides are equal]
∠BAC + ∠ABC + ∠ACB = 180° (Angle sum property)
90° + ∠ABC + ∠ACB = 180
∠ABC + ∠ACB = 180 - 90
∠ABC + ∠ACB = 90
2∠ABC = 90
∠ABC = 90/2 = 45
∠ABC = 45 = ∠ACB
Therefore,
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
∠BAC = 90°
∠ABC = 45°
∠ACB = 45°
Step-by-step explanation:
∠BAC = 90° [Angles in a semi-circle are equal to 90° (BC is diameter)]
∠ABC = ∠ACB [Angles opposite to equal sides are equal]
∠BAC + ∠ABC + ∠ACB = 180° (Angle sum property)
90° + ∠ABC + ∠ACB = 180
∠ABC + ∠ACB = 180 - 90
∠ABC + ∠ACB = 90
2∠ABC = 90
∠ABC = 90/2 = 45
∠ABC = 45 = ∠ACB
Therefore,
∠BAC = 90°
∠ABC = 45°
∠ACB = 45°