What is an exterior angle of a triangle?
Interior and Exterior Angles of Triangles

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An exterior angle of a triangle is formed by one side of the triangle and the extension of an adjacent side. It is equal to the sum of the two remote interior angles.
2.
FLASHCARD QUESTION
Front
What are remote interior angles?
Back
Remote interior angles are the two angles inside a triangle that are not adjacent to a given exterior angle.
3.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
The sum of the interior angles of a triangle is always 180 degrees.
4.
FLASHCARD QUESTION
Front
What is the relationship between an exterior angle and its remote interior angles?
Back
The exterior angle is equal to the sum of its two remote interior angles.
5.
FLASHCARD QUESTION
Front
Define corresponding angles in the context of parallel lines and a transversal.
Back
Corresponding angles are pairs of angles that are in similar positions at each intersection where a straight line crosses two others (parallel lines). They are equal in measure.
6.
FLASHCARD QUESTION
Front
What is a transformation in geometry?
Back
A transformation is an operation that moves or changes a shape in some way to produce a new shape.
7.
FLASHCARD QUESTION
Front
What are the three main types of transformations?
Back
The three main types of transformations are translation (sliding), reflection (flipping), and rotation (turning).
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