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In the parallelogram ABCD, ∠A – ∠B – ∠C + ∠D is equal to ______. - Mathematics

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Question

In the parallelogram ABCD, ∠A – ∠B – ∠C + ∠D is equal to ______.

Options

  • 90°

  • 180°

  • 360°

MCQ
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Solution

In the parallelogram ABCD, ∠A – ∠B – ∠C + ∠D is equal to .

Explanation:

In a parallelogram, opposite angles are equal ∠A = ∠C and ∠B = ∠D. 

So, ∠A – ∠B – ∠C + ∠D

= ∠A – ∠B – ∠A + ∠B

= 0°

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Chapter 11: Rectilinear Figures - Exercise 11B [Page 234]

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Nootan Mathematics [English] Class 9 ICSE
Chapter 11 Rectilinear Figures
Exercise 11B | Q 10. | Page 234
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