CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic

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Question 23 - CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at August 14, 2026 by

A quadrilateral ABCD is drawn to circumscribe a circle.  Prove that AB + CD = AD + BC.

 

Question 23 - Maths Basic - CBSE Sample Paper 2021 - Teachoo

 

This question is exactly same as Ex 10.2, 8 of Chapter 10 Class 10 in the NCERT Book.

Please check the answer and video here

https://www.teachoo.com/1834/539/Ex-10.2--8---A-quadrilateral-ABCD-is-drawn-to-circumscribe/category/Ex-10.2/

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Transcript

Question 23 A quadrilateral ABCD is drawn to circumscribe a circle. Prove that AB + CD = AD + BC.

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