How to Calculate Side a of a triangle?
Side a of a triangle calculator uses side_a = sqrt((Side B)^2+(Side C)^2-2*Side B*Side C*cos(Angle A)) to calculate the Side A, Side a of a triangle is one of the three sides of the triangle. Side A and is denoted by a symbol.
How to calculate Side a of a triangle using this online calculator? To use this online calculator for Side a of a triangle, enter Side B (b), Side C (c) and Angle A (∠A) and hit the calculate button. Here is how the Side a of a triangle calculation can be explained with given input values -> 4.062336 = sqrt((7)^2+(4)^2-2*7*4*cos(30)).