а=15,b=26,c=37
r=S/p
p=(a+b+c)/2=(15+26+37)/2=78/2=39
S=√p(p-a)
(p-b)9p-c)=√39•24•13•2=√24336=156
r=156/39=4
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а=15,b=26,c=37
r=S/p
p=(a+b+c)/2=(15+26+37)/2=78/2=39
S=√p(p-a)
(p-b)9p-c)=√39•24•13•2=√24336=156
r=156/39=4