Geometry Vocab Quiz - 2D

an ​​ (a)   is two rays with a common endpoint (the vertex)

• angle
• side
• acute
• polygon
• obtuse
• congruent
• right
• regular figure
• irregular figure

a ​ (a)   is a line segment that forms the boundary of a two-dimensional figure.

• side
• angle
• polygon
• acute
• obtuse
• congruent
• attribute
• property

An ​ ​angle that measures less than 90 degrees is an ​ (a)   angle.

• acute
• angle
• side
• polygon
• irregular figure
• regular figure
• obtuse
• right
• congruent
• congruency marks

A ​ (a)   is a closed figure with at least 3 sides, where all sides are straight (no curves)

• polygon
• acute
• obtuse
• right
• congruent
• side
• attribute
• property
• regular figure
• irregular figure

​ (a)   means of equal measure, having exactly the same size and same shape

• congruent
• congruency marks
• property
• attribute
• regular figure
• irregular figure
• polygon
• side
• angle
• acute

​ (a)   is an angle that measures greater than 90 degrees but less than 180 degrees.

• obtuse
• acute
• right
• angle
• side

a ​ (a)   angle measures exactly 90 degrees.

• right
• acute
• obtuse
• angle
• side
• polygon

​ (a)   is a polygon with all sides and angles congruent

• regular figure
• irregular figure
• attribute
• property

​ (a)   is a polygon with sides and/or angles that are not all congruent

• irregular figure
• regular figure
• attribute
• property

​ (a)   are characteristics that define geometric figures (side, vertices, etc.)

• attributes
• property
• congruent
• side
• angle
• congruency marks