Lines and Angles

Front

Angles that have a measure less than 90 degrees are called ______ ______.

Back

acute angles

Front

What is the term for a location in space with no size or dimension?

Back

point

Front

What do we call lines that never meet and are always the same distance apart?

Back

parallel lines

Front

What do we call lines that cross each other at a right angle?

Back

perpendicular lines

Front

What type of angle measures exactly 90 degrees?

Back

right angle

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

obtuse angle

Front

What type of angle measures exactly 180 degrees?

Back

straight angle

Front

What do we call angles that add up to 90 degrees?

Back

complementary angles

Front

What do we call angles that add up to 180 degrees?

Back

supplementary angles

Front

What is the term for a straight line that divides an angle into two equal parts?

Back

angle bisector