Question 53Asked in CTET February 2026 Paper 2 Maths & Science, 8 Feb 2026

In a quadrilateral ABCD, if AB || DC, ∠B = 70° and AB = CD, then :किसी चतुर्भुज ABCD में, यदि AB ∥ DC, ∠B=70° और AB=CD है, तो :

किसी चतुर्भुज ABCD में, यदि AB ∥ DC, ∠B=70° और AB=CD है, तो :
  1. A∠C = 70°, ∠D = 110°∠C=70°, ∠D=110°
  2. B∠A = 110°, ∠C = 110°∠A=110°, ∠C=110°
  3. C∠A = 70°, ∠C = 70°∠A=70°, ∠C=70°
  4. D∠A = 70°, ∠D = 110°∠A=70°, ∠D=110°
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Correct answer: (B) ∠A = 110°, ∠C = 110°∠A=110°, ∠C=110°

Explanation

A pair of opposite sides equal and parallel makes ABCD a parallelogram. So ∠D = ∠B = 70°, and ∠A = ∠C = 180° − 70° = 110°.एक जोड़ी सम्मुख भुजाएँ बराबर और समांतर हों तो ABCD समांतर चतुर्भुज होता है। अतः ∠D = ∠B = 70° और ∠A = ∠C = 180° − 70° = 110°।

From CTET February 2026 Paper 2 Maths & Science, 8 Feb 2026 — Previous Year Paper

This is question 53 of CTET February 2026 Paper 2 Maths & Science, 8 Feb 2026 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.