Geometry Vocabulary Triangles Quadrilaterals Coordinate Plane 3D Shapes

What is a closed plane figure made up of line segments?

•  Polygon
• Irregular Polygon
• Circle
• Shape

What has sides of equal length and angles of equal measure?

• Irregular Polygon
• Shapes
• Circles
• Regular Polygon

This triangle has all sides the same length?

• Acute
• Equilateral
• Isosceles
• Scalene

This triangle has two sides that are same length.

• Right
• Equilateral 
• Isosceles
• Scalene

This triangle has no sides that are the same length

• Acute
• Scalene
• Isosceles
• Equilateral 

This triangle has all three angles that  acute angles.

• Acute
• Right
• Scalene
• Obtuse

This triangle has one angle that is obtuse.

• Acute
• Scalene
• Obtuse
• Right

This triangle has one angle that is right. 

• Isosceles
• Right
• Scalene
• Acute

This quadrilateral has both pairs of opposite sides that are parallel and equal in length

• trapezoid
• quadrilateral 
• parallelogram
• isosceles triangle 

This quadrilateral has only one pair of parallel sides

• trapezoid 
• rectangle 
• parallelogram 
• square