How to Calculate Angle A of Triangle?
Angle A of Triangle calculator uses Angle A of Triangle = acos((Side C of Triangle^2+Side B of Triangle^2-Side A of Triangle^2)/(2*Side C of Triangle*Side B of Triangle)) to calculate the Angle A of Triangle, The Angle A of Triangle formula is defined as the measure of the wideness of two sides that join to form the corner, opposite to side A of the Triangle. Angle A of Triangle is denoted by ∠A symbol.
How to calculate Angle A of Triangle using this online calculator? To use this online calculator for Angle A of Triangle, enter Side C of Triangle (S_{c}), Side B of Triangle (S_{b}) & Side A of Triangle (S_{a}) and hit the calculate button. Here is how the Angle A of Triangle calculation can be explained with given input values -> 27.66045 = acos((20^2+14^2-10^2)/(2*20*14)).