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[" State that "],[" i) "a=(r(2)+r(3))sqr...

[" State that "],[" i) "a=(r_(2)+r_(3))sqrt((rr_(1))/(r_(2)))]

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(r_(2)+r_(3))sqrt((r r_(1))/(r_(2)r_(3)))=

(r_(2)+r_(3))sqrt((r r_(2))/(r_(2)r_(3)))=

(r_2+r_3) sqrt((r r_1)/( r_2r_3)) = a

In triangle ABC,(r_(3)+r_(1))sqrt([(rr_(1))/(r_(3)r_(1))])=

In triangle ABC,(r_(3)+r_(1))sqrt([(rr_(2))/(r_(3)r_(1))])=

Prove that (r_(1)(r_(2)+r_(3)))/(sqrt(r_(1)r_(2)+r_(2)r_(3)+r_(3)r_(1)))=a

(r_(1)-r)(r_(2)-r)(r_(3)-r)=4Rr^(2)

show that r_(2)r_(3) +r_(3) r_(1)+ r _(1) r_(2)=s^(2)