Basic Geometry Vocab

an angle measuring 90 degrees, also known as a square corner

• right angle

• obtuse angle

• square angle

• parallel angle

a closed figure with straight sides

• quadrilateral

• polygon

• pentagon

• congruent

figures that are the same size and same shape

• parallel

• polygon

• congruent

• quadrilateral

lines that are the same distance apart and will never touch

• parallel

• congruent

• polygon

• quadrilateral

A straight path with no beginning or end is a...

• ray

• line

• plane

• angle

the point where two lines meet

• parallel

• vertex

• right angle

• congruent

a five sided polygon

• quadrilateral

• pentagon

• octagon

• hexagon

a quadrilateral with only one set of parallel lines

• rhombus

• trapezoid

• parallelogram

• polygon

a quadrilateral with 4 right angles and all sides are congruent

• rectangle

• square

• rhombus

• trapezoid

an eight sided polygon

• hexagon

• pentagon

• octagon

• rectangle