Line and Angle Relationships

Front

What is a similar triangle?

Back

A triangle is similar to another triangle if their corresponding angles are congruent and their corresponding sides are in proportion.

Front

What is an exterior angle?

Back

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

Front

What does it mean for two triangles to be similar?

Back

Two triangles are similar if their angles are congruent.

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.

Front

Solve for x: 2x + 5 = 7.

Back

x = 1.

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.

Front

What is a corresponding angle?

Back

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

Front

If two angles are complementary, what is their sum?

Back

The sum of two complementary angles is 90 degrees.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal; they are the angles opposite each other when two lines intersect.

Front

Solve for x: 3x - 4 = 5.

Back

x = 3.