If O is the Centre of the Circle, Find the Value of X in Each of the Following Figures - Mathematics

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Sum

If O is the centre of the circle, find the value of x in each of the following figures

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Solution

In BOC,
OB = OC                           ...(radii)
So, OCB = OBC = 40°

In BOC,
BOC = 180° - (40° + 40°)
BOC = 180° - 80°
So, 
x = `"BOC"/2`

x = `(100°)/2` = 50°.

  Is there an error in this question or solution?
Chapter 15: Circles - Exercise 2

APPEARS IN

ICSE Class 10 Mathematics
Chapter 15 Circles
Exercise 2 | Q 27.2

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