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nithin ashtekar Grade: 11
        

what are r1 , r2 & r3 represented for?


how can we use sine rule in other triangles?


 

8 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear nithin


r1 represent the radius of circle that is tangent to qpposite side and also tangebt to exended side as shown in diagram


similerly r2 and r3 .


 


5716-1473_7662_untitled.JPG


let lenghth of side aposite to angle A,B,C are a,b,c respectivily


then sine rule is


Sin A  /a =SinB  /b  =Sin C /c


 






Regards


Badiuddin


 

8 years ago
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