Must Do Monday Geometry Vocabulary

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 

Which best describes the rectangle above?

• I am a quadrilateral with opposite sides equal and 4 right angles.

• I am a shape with four equal sides and right angles.

• I am a quadrilateral with 2 sets of equal sides of different lengths without 90 degree angles.

• I am a parallelogram with four equal sides, opposite equal angles, and no right angles.

One fixed endpoint and extends infinitely along the line from the endpoint.

• array

• line segment

• ray

• line

Which word does the figure above model?

• array

• line segment

• ray

• line

Which choices best model and name lines being at a right angle to each other?

• perpendicular lines

• 
• parallel lines

• intersecting lines

• 

When lines meet or cross at some point they are called

• interior

• parallel

• intersecting

• perpendicular

Which choices best describe and model an obtuse angle?

• measures 90 degrees

• 
• measures more than 90 degrees but less than 180 degrees

• 

Which word means when one shape becomes exactly like another a flip, slide, or turn

• polygon

• attribute

• symmetry

• isosceles