How to Calculate Diagonal of Decagon across four sides given inradius?
Diagonal of Decagon across four sides given inradius calculator uses diagonal_across_4_sides = ((2*Inradius)/(sqrt(5+2*sqrt(5))))*sqrt(5+2*sqrt(5)) to calculate the Diagonal across four sides, The Diagonal of decagon across four sides given inradius formula is defined as a straight line joining two opposite corners of the decagon , where diagonal = diagonal across 4 sides of decagon , inradius= inradius of decagon. Diagonal across four sides and is denoted by d_{4} symbol.
How to calculate Diagonal of Decagon across four sides given inradius using this online calculator? To use this online calculator for Diagonal of Decagon across four sides given inradius, enter Inradius (r_{i}) and hit the calculate button. Here is how the Diagonal of Decagon across four sides given inradius calculation can be explained with given input values -> 20 = ((2*10)/(sqrt(5+2*sqrt(5))))*sqrt(5+2*sqrt(5)).