Problem Base on Inradius (r) and Ex-Radius (R1,R2,R3)||The Ambiguous Case OF Δ

Problems based on n C r and n P r

Problems based on n C r and n P r

Formulae OF inradius(r)||ex-radius(r1,r2,r3)

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

Find the ratio of circum radius (R) to inradius (r) of a triangle whose sides are 4,6 and 8.

If a regular polygon of n sides has circum radius R and inradius r then each side of polygon is:

Illustration based upon r,r1,r2,r3

A solid sphere of radius r is melted and cast into the shape of a solid cone of height r , the radius of the base of the cone is 2r (b) 3r (c) r (d) 4r