The exterior angle of a triangle is determined by subtracting the measure of the interior angle from 180 degrees. This formula can be used when the corresponding interior angle is given, or when the sum of all the exterior angles of a triangle is given. The sum of all the exterior angles of a triangle is always equal to 360°.
There are three exterior angles in a triangle, and the sum of the exterior angles of a triangle is always equal to 360°. The exterior angle of a triangle is formed with one side and the adjacent extended side of a triangle.
The exterior angle theorem states that the measure of an exterior angle is equal to the sum of the measures of the two remote interior angles of the triangle. Every triangle has six exterior angles, with two at each vertex being equal in measure. If any side of a triangle is extended, then the exterior angle so formed would be equal to the sum of the opposite interior angles of a triangle.
To find the exterior angles of a triangle, follow these steps: identify the measures of the two interior angles opposite the exterior angle in question, add the two interior angle measurements identified, and find the missing variable x.
In triangles, the sum of the interior angles will always be 180 ∘. To form an exterior angle, extend one of the sides past the angle. The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles of the triangle. To calculate each exterior angle, subtract each interior angle from 180°.
📹 Angles of Triangle: Sum of Interior Angles and Exterior Angle Theorem by @MathTeacherGon
Angles of Triangle: Sum of Interior Angles and Exterior Angle Theorem by @MathTeacherGon Follow me on my social media …
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