Front

The interior angles of a triangle add to ______ degrees.

Back

180

Front

Angles whose measure sum up to 180 degrees are called ______ angles.

Back

Supplementary

Front

Parallel lines have the ______ slope.

Back

same

Front

An angle bisector cuts an angle into two angles that are ______ congruent.

Back

True

Front

The sum of the interior angles of a quadrilateral is ______ degrees.

Back

360

Front

A triangle with one angle measuring more than 90 degrees is called a ______ triangle.

Back

Obtuse triangle

Front

The angles opposite to each other when two lines intersect are called ______ angles.

Back

Vertical angles

Front

Two angles that add up to 90 degrees are called ______ angles.

Back

Complementary angles

Front

The formula for the area of a triangle is ______.

Back

(1/2) * base * height

Front

In a right triangle, the side opposite the right angle is called the ______.

Back

Hypotenuse