Exterior Angles of Triangles (No Equations)

Front

What is an exterior angle of a triangle?

Back

An exterior angle of a triangle is formed by one side of the triangle and the extension of an adjacent side.

Front

What are remote interior angles?

Back

Remote interior angles are the two angles inside the triangle that are not adjacent to a given exterior angle.

Tags

CCSS.8.G.A.5

Front

How do you identify an exterior angle in a triangle?

Back

An exterior angle is located outside the triangle and is formed by extending one of its sides.

Front

What is the relationship between an exterior angle and its remote interior angles?

Back

The measure of an exterior angle is equal to the sum of the measures of its remote interior angles.

Tags

CCSS.8.G.A.5

Front

If angle d is an exterior angle, what are the remote interior angles?

Back

The remote interior angles are the two angles inside the triangle that do not share a vertex with angle d.

Tags

CCSS.8.G.A.5

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.

Tags

CCSS.8.G.A.5

Front

If angle A is 50 degrees and angle B is 60 degrees, what is the measure of angle C?

Back

Angle C is 70 degrees (180 - 50 - 60 = 70).

Tags

CCSS.7.G.B.5

Front

What is the definition of an interior angle?

Back

An interior angle is an angle formed by two sides of a triangle that meet at a vertex.

Tags

CCSS.7.G.B.5

Front

How can you find the measure of an exterior angle if you know the interior angles?

Back

You can find the measure of an exterior angle by adding the measures of the two remote interior angles.

Tags

CCSS.8.G.A.5

Front

What is the difference between an interior angle and an exterior angle?

Back

An interior angle is inside the triangle, while an exterior angle is formed outside the triangle by extending one of its sides.