Q. 23

A quadrilateral A

Answer :

To prove: AB + CD = AD + BC.



Proof: AS = AP ( Length of tangents from an external point to a circle are equal)


BQ = BP


CQ = CR


DS = DR


AS + BQ + CQ + DS = AP + BP + CR + DR


(AS + DS) + ( BQ + CQ) = (AP + BP) + (CR + DR)


AD + BC = AB +CD


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Heights and Distances-IHeights and Distances-IHeights and Distances-I45 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses