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Which angle is an exterior angle of triangle ABC?
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Which angle is an exterior angle of triangle ABC?

Which angle is an exterior angle of triangle ABC?-example-1
User Takasu
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1 Answer

2 votes

Answer:

Angles 1, 3, 6, 8, 9, and 11 are exterior angles of triangle ABC.

Explanation:

Angles BAC, ABC, and ACB are interior angles of triangle ABC.

Angles 1, 3, 6, 8, 9, and 11 are exterior angles of triangle ABC.

Angles 2, 7 and 12 are neither interior nor exterior angles of triangle ABC.

User Caged
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