"In an equilateral triangle, inradius `r ,`circumradius `R`and ex-radius `r_1`are inA.P. (b) G.P. (
Channel: Doubtnut
Date: 2020-01-28

"In an equilateral triangle, inradius `r ,`
circumradius `R`
and ex-radius `r_1`
are in
A.P. (b) G.P.
 (c) H.P. (d) none of these"