Question

pqr pq=20 qr=21 and pr=29 . is this a right angle ? give reason​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$\large\sf\purple{∆PQR \: is \: a \: right \: angled \: triangle}$

Sorry for the bad handwriting. I have done it in a hurry..

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