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If a = 18 , b=24 , c=30 , find r(1) ....

If a = 18 , b=24 , c=30 , find `r_(1)` .

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SRISIRI PUBLICATION-PROPERTIES OF TRIANGLES-LAQ ,SAQ,VSAQ (2DHARDQ) (3DMIS.Q)
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  12. If A=90^(@), " show that " 2(r+R)=b+c

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  13. If s = 12 and A=90^(@) then find the value of r(1)

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