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In the Given Figure, O is the Centre of the Circle. If ∠Bod = 160°, Find the Values of X and Y. - Mathematics

Short Note

In the given figure, O is the centre of the circle. If ∠BOD = 160°, find the values of x and y.

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It is given that O is centre of the circle and BOD = 160°

We have to find the values of and y.

As we know that the angle subtended by an arc of a circle at the centre is double the angle subtended by it at any point on the remaining part of the circle.


`x = 1/2 (160°)`

    = 80°

Since, quadrilateral ABCD is a cyclic quadrilateral.


x + y = 180°              (Sum of opposite angles of a cyclic quadrilateral is 180°.)

` y = 180°  - x`

     =180°  -  80° 

     = 100° 

Hence `angle = 100° ` and   `anglex = 80° `  

  Is there an error in this question or solution?
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RD Sharma Mathematics for Class 9
Chapter 15 Circles
Exercise 15.5 | Q 3 | Page 101
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