Question

in figure and is a right triangle right angled at b such that bc=6cm and ab=8cm find the radius of the circle

Answer 1

let a c(o,r) in which ab =8cm and BC=6cm
and a right angle triangle INA circle
in ∆abc
ac^2=ab^2 +bc^2
ac^2= 8^2+6^2
". =64+36
= 100cm
ac. =[100]2
ac. =10cm .
so,ac is the radius of the circle
hence,r=10cm

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