Geometry Vocab Set #4

The statement, If an angle is acute, then it has a measure between 0 degrees and 90 degrees is known as a ___________________.

• Converse
  
• Counterexample
• Contrapositive
• If-then Statement

Consider this statement: If today is Monday, then my dad has to go to work. The statement, If today is not Monday, then my dad does not have to go to work is the original statement’s ________________.

• Converse
• Instance
• Inverse
• Opposite

Two angles with measures that have a sum of 90 are

• Supplementary Angles
• Complementary Angles
• Vertical Angles
• Adjacent Angles

The point of concurrency of the perpendicular bisectors of a triangle is called the _____________.

• Orthocenter
• Median
• Circumcenter
• Incenter

Consider the statement: If an animal is a fish, then it can swim. A trout is a(n)___________  of the original statement.

• Instance
• Converse
• Counterexample
• Conditional

If two angles, shapes or lines are equal in degree, length, and/or size, then they are _______________.

• Dissenting
• Congruent
• Opposing 
• Discordant

The line l is known as the  ____________________.

• Line of Reflection
• Line of Symmetry
• Both Line of Reflection and Line of Symmetry
• None of These

A square has rotational symmetry of order 4.  This means that the _____________ is 90 degrees.

• Magnitude of Rotation
• Direction of Rotation
• Symmetry of Rotation
• Center of Symmetry

The transformation that occurs when lines m and n are intersecting lines and a figure is composed of two reflections is called ________________.

• Translation
• Rotation
• Glide Reflection
• Reflection

The transformation that occurs from performing 2 reflections over the lines m and n when m and n are parallel lines.

• Translation
• Rotation
• Glide Reflection
• Reflection