Classifying Quadrilaterals Vocabulary Review

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees

Front

What are intersecting lines?

Back

Lines that intersect forming 2 acute and 2 obtuse angles

Front

What is an acute angle?

Back

An angle that measures from 0 to 89 degrees.

Front

What are perpendicular lines?

Back

Lines that intersect and form 4 right angles.

Front

What is an obtuse angle?

Back

An angle that measures greater than 90 but less than 180.

Front

What type of lines are shown when the trees cross?

Back

intersecting lines

Front

What type of lines form on the window?

Back

perpendicular lines

Front

What types of angles are formed by the fence?

Back

right angles

Front

What type of angle is formed at the corner of the streets? Options: obtuse angle, straight angle, right angle, acute angle

Back

acute angle

Front

What type of lines are formed going vertically on the railroad tracks?

Back

parallel lines