In an equilateral triangle, inradius `r ,` circumradius `R` and ex-radius `r_1` are in

In an equilateral triangle r:R:r1 is

In an equilateral triangle,the in-radius and circumradius are in the ratio

In an equilateral triangle, the in-radius, circum-radius and one of the ex-radii are in the ratio

In an equilateral triangle, the inradius, circumradius, and one of the exradii are in the ratio

Half angle formulae| Area of triangle inradius| Circumradius and exradii

In an equilateral triangle circum-radius :In-radius : Ex-radii is equal to

In an equilateral triangle,if inradius is a rational number then

For an equilateral triangle, the ratio of the inradius and the outer-radius is

In an equilateral triangle,the inradius and the circumradius are connected by r=4Rb .r=R/2 c.r=R/3 d.none of these