Question

In figrue O is the centre of the circle . if angle ABC=30° then find an angle ABC​

Answer 1

Answer:

Solution :-

∠CAB = 90° (Angle in the semi-circle is 90°) In △ABC ∠ABC + ∠BCA + ∠CAB = 180° ∠ABC + 30° + 90° = 180° ∠ABC = 180° – 120° ∠ABC = 60°

Step-by-step explanation:

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