If a=18 , b=24 , c=30 then r2-r1 is
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if this question is according to properties of triangle then answer is
given a=18
b=24
c=30
s=(a+b+c)/2
s=72/2
s=36
delta = √(s*s-a*s-b*s-c)
delta=√36*18*12*6
delta = 216
r1=delta/s-a
r2=delta/s-b
r2-r1=216/12-216/18
18-12=4
I HOPE THIS WILL HELP U.....☺☺☺☺☺
given a=18
b=24
c=30
s=(a+b+c)/2
s=72/2
s=36
delta = √(s*s-a*s-b*s-c)
delta=√36*18*12*6
delta = 216
r1=delta/s-a
r2=delta/s-b
r2-r1=216/12-216/18
18-12=4
I HOPE THIS WILL HELP U.....☺☺☺☺☺
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