Interior/Exterior Angles of Triangles

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

Define remote interior angles.

Back

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

Tags

CCSS.8.G.A.5

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

If one angle of a triangle is 60 degrees and another is 80 degrees, what is the measure of the third angle?

Back

The third angle measures 40 degrees.

Tags

CCSS.8.G.A.5

Front

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

Back

An exterior angle is equal to the sum of the two remote interior angles.

Tags

CCSS.8.G.A.5

Front

What are corresponding angles?

Back

Corresponding angles are angles that are in the same position on two parallel lines cut by a transversal.

Tags

CCSS.8.G.A.5

Front

If angle A is 50 degrees and angle B is 70 degrees, what is the measure of angle C in triangle ABC?

Back

Angle C measures 60 degrees.

Tags

CCSS.8.G.A.5

Front

What is the definition of an interior angle?

Back

An interior angle is an angle formed inside a shape, such as a triangle.

Front

How do you find the measure of a missing angle in a triangle?

Back

To find a missing angle, subtract the sum of the known angles from 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the formula for calculating the exterior angle of a triangle?

Back

The exterior angle is equal to the sum of the two opposite interior angles.

Tags

CCSS.8.G.A.5