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If S is a point on side pq of a triangle pqr such that ps = qs = rs then

Posted by Gautam Sangwan 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Harsh Shah 5 years, 2 months ago

PQR is right angled triangle As if pq=qs=rs then L sqr = L srq = x And similarly L spr = L srp = y (isosceles triangle property) And by exterior angle property L psr= 2x and Lrsq = 2y By linear pair 2x + 2y = 180° :. x+y = 90 hence, Lprq=x+y= 90°

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CBSE > Class 10 > Mathematics