Math, asked by sushmalvaddi, 5 months ago

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solve in book with brief explanation..
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Answers

Answered by shubhamgupta4846
1

Step-by-step explanation:

In triangle AOB andCOB

AO=CO (Given)

AB=CB (Given)

OB=OB (Common)

therefore triangle AOB is congruent.

(1) so,Angle AOB=90 degree(CPCB)

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