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In the following figure, O is the centre of the circle. Find the values of a, b and c. - Mathematics

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Question

In the following figure, O is the centre of the circle. Find the values of a, b and c.

Sum

Solution


Here, `c = 1/2 ` Reflex (112°)

(Angle at the centre is double the angle at the circumference subtended by the same chord)

`=> c = 1/2 xx (360^circ - 112^circ) = 124^circ`

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Chapter 17: Circles - Exercise 17 (A) [Page 257]

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Selina Mathematics [English] Class 10 ICSE
Chapter 17 Circles
Exercise 17 (A) | Q 4.2 | Page 257
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