An isosceles triangle those sides are 13cm,13cm,10cm long inscribed in a circle.find the radius of the circle  Options:
A) 8 cm B) 9 cm C) 10 cm D) 11 cm E) 7 cm
a,b,c are sides of triangle ,ad is the median, ad^2=ab^2-bd^2 then ad=12,the centriod median divides into 2:1 ratio so 12 will be divide into 2:1 ratio so 8 is radius.   so ans is 8 cm   8 cmNSWER:8 cm
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An isosceles triangle those sides are 13cm,13cm,10cm long inscribed in a circle.find the radius of the circle