Find The Measure Of The Indicated Exterior Angle Of The Triangle. Interior Angles Solve for x. Each angle of an equilateral triangle is of 60.
E F G 86. U V 3 U Y 50 70. Rule 4 Remote Extior Angles -- This Theorem states that the measure of a an exterior angle A equals the sum of the remote interior angles measurements.
Interior Angles Solve for x.
Find the 3rd measure of the triangle on the left first. Find the measure of angle x. Find the measure of the indicated angle. Determine which side a or c is smallest and use the Law of Sines to solve for the size of the opposite angle A or C respectively.