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In a triangle if r:r1:R = 2:12:5 then prove that triangle is right angled which is not isosceles.

Saurabh , 8 Years ago
Grade 12
anser 2 Answers
npcyh

Last Activity: 8 Years ago

can you tell what the symbols r, r1, R. stands for. 
Are they radius of incenter and radius of circumcenter, then what is r1. or something else?
 

Saurabh

Last Activity: 8 Years ago

Yes r is radius of incircle ,R is radius of circumcircle and r1 is radius of excircle opposite to side A.

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