Question

alo is the centre of the cixde and L ABC = 45°
find L AOC
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Answer 1

Answer:

• Since angle subtended by an arc at the centre of the circle is double the angle subtended it at any point on the remaining part of the circle .
• Since angle subtended by an arc at the centre of the circle is double the angle subtended it at any point on the remaining part of the circle .∴  ∠AOC = 2∠ABC = 2 × 45° = 90°
• Since angle subtended by an arc at the centre of the circle is double the angle subtended it at any point on the remaining part of the circle .∴  ∠AOC = 2∠ABC = 2 × 45° = 90°Hence, OA ⟂ OC.

Step-by-step explanation:

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