Math Vocabulary Quiz 4

One of four angles made by perpendicular line segments.

• right angle
• obtuse angle

An angle smaller than a right angle (90 degrees).

• obtuse angle
• acute angle

An angle smaller than a right angle (90 degrees).

• obtuse angle
• acute angle

An angle greater than a right angle and less than a straight angle.

• obtuse angle
• acute angle

An angle that measures 180 degrees.

• straight angle
• right angle

A unit of measuring angles.

• inches
• degrees

Fractions that are equal are called __________________________.

• simplified fractions
• equivalent fractions

Figures that are the same shape and size

• congruent
• similar 

Lines in the same plane that never intersect.

• parallel lines
• perpendicular lines

Lines, line segments, or rays are __________________ if they form right angles.

• parallel
• perpendicular