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

In the given figure CE || DB then the value of x° is

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Question

In the given figure CE || DB then the value of x° is

Options

  • 45°

  • 30°

  • 75°

  • 85°

MCQ
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Solution

85°

Explanation;

Hint:

∠B = 360° – (∠A + ∠D + ∠BCD)

= 360° – (110° + 75° + 60°)

= 360° – 245°

= 115°

∠DBC = 115° – 30°

= 85°

∴ ∠x = 85° .........(BD || CE) ....[Alternate angles are equal]

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Chapter 4: Geometry - Exercise 4.7 [Page 181]

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Samacheer Kalvi Mathematics [English] Class 9 TN Board
Chapter 4 Geometry
Exercise 4.7 | Q 4 | Page 181
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