Geometry Vocabulary

a triangle with three acute angles

• Acute Triangle 

• Obtuse Triangle 

• Right Triangle 

• Left Triangle 

a parallelogram with four sides equal in length 

• Rhombus 

• Triangle 

• Circle 

• Line

a quadrilateral with at least one pair of parallel sides 

• triangle 

• trapezoid

• circle 

• square

triangle with at least one angle measuring above 90 degrees. 

• right triangle 

• acute triangle 

• obtuse triangle 

• isosceles 

a triangle with at least one angle of 90 degrees. 

• right triangle 

• acute triangle 

• equilateral triangle 

• orange triangle 

A 4-sided figure with straight sides where opposite sides are parallel is called a ...

• quadrilateral

• parallelogram

• Isosceles

• congruent

A quadrilateral with only one pair of parallel lines is called a...

• trapezoid

• square

• rhombus

• rectangle

• isosceles triangle
• isosceles trapezoid
• parallelogram
• square

Parallel lines will...

• intersect with one another.

• cross each other.

• touch each other.

• will never intersect with one another.

Another word for intersect is...

• inside

• cross

• bug

• cut