How to Calculate side b of a triangle?
side b of a triangle calculator uses Side B=sqrt(Side A^2+Side C^2-2*Side A*Side C*cos(Angle B)) to calculate the Side B, Side B is an upright or sloping surface of a structure or object that is not the top or bottom and generally not the front or back. Side B and is denoted by b symbol.
How to calculate side b of a triangle using this online calculator? To use this online calculator for side b of a triangle, enter Side A (a), Side C (c) and Angle B (∠B) and hit the calculate button. Here is how the side b of a triangle calculation can be explained with given input values -> 3.405121 = sqrt(2^2+4^2-2*2*4*cos(45)).