Math Vocabulary Week 4

Figure formed by two rays with the same endpoint

• ray

• angle

• line

• line segment

A closed shape with at least 3 straight lines

• circle

• angle

• polygon

• shape

a four sided polygon

• pentagon

• quadrilateral

• octagon

• hexagon

a polygon having five sides

• pentagon

• quadrilateral

• octagon

• hexagon

a polygon with six sides

• pentagon

• quadrilateral

• octagon

• hexagon

a polygon with eight sides

• pentagon

• quadrilateral

• octagon

• hexagon

a quadrilateral with its opposite sides parallel

• parallelogram

• rhombus

• hexagon

• octagon

a quadrilateral with all four sides congruent

• parallelogram

• rhombus

• hexagon

• octagon

an angle measuring less than 90 degrees

• obtuse angle

• straight angle

• right angle

• acute angle

an angle measuring exactly 90 degrees

• obtuse angle

• straight angle

• right angle

• acute angle