Semester Test Review

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are always equal.

Front

What are corresponding angles?

Back

Angles that are in the same position on different parallel lines cut by a transversal; they are equal.

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of the transversal and inside the two lines; they are equal.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is an obtuse triangle?

Back

A triangle that has one angle measuring more than 90 degrees.

Front

What is an equilateral triangle?

Back

A triangle with all three sides of equal length and all angles measuring 60 degrees.

Front

If Angle 1 is 100 degrees, what is Angle 2 if they are supplementary?

Back

Angle 2 is 80 degrees.

Front

If Angle 4 is 105 degrees, what is Angle 5 if they are alternate interior angles?

Back

Angle 5 is also 105 degrees.