Angles and Triangles

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.

Front

What are Alternate Interior Angles?

Back

Angles that are on opposite sides of the transversal and inside the two parallel lines.

Front

What are Corresponding Angles?

Back

Angles that are in the same position on two parallel lines in relation to a transversal.

Front

What is the measure of angle x if angle y is 110 degrees and they are supplementary?

Back

70 degrees.

Front

What is the measure of angle x if angle y is 50 degrees and they are complementary?

Back

40 degrees.

Front

What is the definition of a transversal?

Back

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

Front

What are Alternate Exterior Angles?

Back

Angles that are on opposite sides of the transversal and outside the two parallel lines.

Front

In a triangle, what is the relationship between the angles and the sides?

Back

The larger the angle, the longer the opposite side.

Front

What is the measure of each angle in an equilateral triangle?

Back

60 degrees.

Front

If two angles are complementary, what is their sum?

Back

90 degrees.