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Q: Sum of the exterior angle measures of a triangle?

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Exterior angle.

the exterior angle theorem

An exterior angle of a triangle is equal in measure to the sum of the other two interior angles.

Theorem 6-1-2; Polygon Exterior Angle Sum Theorem:The sum of the exterior angle measures, one angle at each vertex, of a convex polygon is 360 degrees.

When any side of triangle is extended outwards then exterior angle is formed. Sum of this exterior angle and adjacent interior angle = 180o. If exterior angle = 180o(straight angle) then interior adjacent angle is 0o which is not possible. So exterior angle can't be straight angle.

Related questions

exterior angle theorem

In any triangle exterior angle plus interior angles = 180 degrees

Exterior angle.

360 degrees and the polygon is an equilateral triangle.

two opposite interior angles.

*the sum of the measure of the angle in triangle is 180 *for any triangle, the measure of an exterior angle is equal to the sum of the measures of its two remote interior angles

105 degrees

the exterior angle theorem

The shape is a triangle.

107 because the overall sum of exterior angles add up to 360

360 degrees

any other exterior angle of the triangle * * * * * No. The sum of the two opposite interior angles.

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