The Equation A = A Equals Startfraction 180 Left-Parenthesis N Minus 2 Right-Parenthesis Over N Endfraction. Represents The Angle Measures, A, In A Regular N-Sided Polygon. When The Equation Is Solved For N, N Is Equal To A Fraction With A Denominator Of A – 180. What Is The Numerator Of The Fraction?. Let us multiply both sides of our equation by n. Learn how to solve the equation a = 180(n − 2) n for n using the lcd method.
Let us multiply both sides of our equation by n. Upon distributing 180 we will get, let us subtract 180n to both sides of our equation. Show that the sum of the angles in a triangle is 180^{\circ} (use.