Question

the sum of all exterior angle of a triangle is 180. true or false​

Answer 1

Answer:

false

the sum of all interior angle of a triangle is 180.

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Answer 2

Answer:

In a Euclidean space, the sum of angles of a triangle equals the straight angle (180 degrees, π radians, two right angles, or a half-turn). A triangle has three angles, one at each vertex, bounded by a pair of adjacent sides.

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