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Grade 12Discuss with colleagues and IITians

the triangle PQR inscribed in the circle x^2+y^2= 25. if Q R have co-ordinates (3,4) (-4,3) then angle QPR =

Profile image of MEHAR SHARMA
13 Years agoGrade 12
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2 Answers

Profile image of Sourabh Singh
10 Years ago
Draw the figure .The question will become absolutely easy. So draw the figure along with coordinate axis and you will get the answer
Profile image of Arnav Prasad
10 Years ago
Since Origin O is the centre,
Find angle formed by QOR. It is 90 degrees.
A property states that angle formed at centre (say, O) by two points (say, Q and R) is twice of angle formed at the point P.
Angle QPR, thus, is 45 degrees.

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