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In the Following Figures, O is the Centre of the Circle. Find the Value of A, B, C and D. - ICSE Class 10 - Mathematics

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Question

In the following figures, O is the centre of the circle. Find the value of a, b, c and d.

Solution

Here, ∠BAD = 90° (Angle in a semicircle)
 ∴ ∠BDA =90° -35°=55°
Again, a ∠ACB =∠BDA = 55°
(Angle subtended by the same chord on the circle are equal)

  Is there an error in this question or solution?
Solution In the Following Figures, O is the Centre of the Circle. Find the Value of A, B, C and D. Concept: Chord Properties - Chords Equidistant from the Center Are Equal (Without Proof).
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