in the given fig, PQR and PQS are isosceles triangle. PQ=PR and P extended up to N, such that PR=PS, show that angleR=90
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in the given fig, PQR and PQS are isosceles triangle. PQ=PR and P extended up to N, such that PR=PS, show that angleR=90
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.