Find The Measure Of The Indicated Exterior Angle Of The Triangle

Find The Measure Of The Indicated Exterior Angle Of The Triangle. Find the measure of the indicated exterior angle in the triangle when. To rephrase it the angle outside the triangle exterior angle A equals D C the sum of the remote interior angles.

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This question is answered by the picture below. The line on the bottom is a straight angle answer choices. All the angles within a triangle always add up to 180 degrees.

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Use The Law of Cosines to solve for the. Subtract the sum of the two angles from 180 to find the measure of the indicated interior angle in each triangle. Find the measure of the indicated angle. The exterior angle theorem is a theorem in elementary geometry which states that the exterior angle of a triangle is equal to the sum of the two remote interior angles.