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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Find the value of x° in the following figure: - Mathematics

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Question

Find the value of x° in the following figure:

Sum

Solution

∠BOC = 30° + 60°

= 90°

∠BAC (x) = `1/2 ∠"BOC"`  ...(by theorem)

= `1/2 xx 90^circ`

x = 45°

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Chapter 4: Geometry - Exercise 4.3 [Page 170]

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Samacheer Kalvi Mathematics [English] Class 9 TN Board
Chapter 4 Geometry
Exercise 4.3 | Q 7. (i) | Page 170

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