Triangle Sum / Similar Triangles

Front

What is the Triangle Sum Theorem?

Back

The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.

Front

If one angle of a triangle measures 60 degrees and another measures 90 degrees, what is the measure of the third angle?

Back

30 degrees.

Front

What are same side interior angles?

Back

Same side interior angles are pairs of angles that are on the same side of the transversal and between the two lines.

Front

If two parallel lines are cut by a transversal, what can be said about the alternate interior angles?

Back

The alternate interior angles are equal.

Front

What is the measure of angle 3 if angle 6 is 60 degrees and they are same side interior angles?

Back

120 degrees.

Front

If angle c measures 35 degrees, what is the measure of angle d if they are supplementary?

Back

145 degrees.

Front

Name a pair of alternate interior angles when two parallel lines are cut by a transversal.

Back

Angles a and d.

Front

What is a transversal in geometry?

Back

A transversal is a line that intersects two or more lines at different points.

Front

If angle 3 measures 120 degrees, what is the measure of angle 5 if they are corresponding angles?

Back

120 degrees.

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

Corresponding angles are equal.