Informal Geometry: Chapter Four Online Pre-Test

Front

What is the measure of ∠2 if it is given that ∠2 = 142°?

Back

∠2 = 142°

Front

Find the measure of angle M if ∠M = 133°. What is the value of ∠M?

Back

∠M = 133°

Front

What are corresponding angles?

Back

Angles that lie on the same side of the transversal and in corresponding positions.

Front

Define alternate interior angles.

Back

A pair of angles on the inner side of two lines cut by a transversal, but on opposite sides of the transversal.

Front

What is the value of x if x = 40?

Back

x = 40

Front

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

Back

The sum of the interior angles of a triangle is 180°.

Front

What is a transversal in geometry?

Back

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

Front

What are linear pairs of angles?

Back

Linear pairs are two adjacent angles that form a straight line, summing to 180°.

Front

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

Back

Alternate exterior angles are equal.

Front

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

Back

Each angle in an equilateral triangle measures 60°.