Interior and Exterior Angles of Triangles

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

An angle whose measure is exactly 90 degrees is called a ______ angle.

Back

right

Front

What is the measure of angle b if the options are 146, 34, 36, 136?

Back

34

Front

Find the measure of each angle indicated: 40°, 33°, 30°, 29°. What is the correct answer?

Back

30°

Front

Solve for x if the options are 16, 11, 50, 6. What is the value of x?

Back

6

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is a triangle?

Back

A polygon with three edges and three vertices.

Front

What are the types of triangles based on their angles?

Back

Acute, right, and obtuse triangles.

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.