Geometry Vocabulary Sets 1,2 and 3

Identify the type of angle shown in the diagram: two line segments that connect at one point in a 90 degree angle (the corner of a paper will fit “right into” the angle).

• Obtuse Angle`

• Right Angle

• Acute Angle

Which shape has two line segments that connect at one point, with only two sides it is “open”.

• parallelogram

• triangle

• square

• angle

Which angle has two line segments that connect at one point in an angle that is larger than a 90 degree angle?

• obtuse angle

• acute angle

• right angle

Angle formed by two line segments that connect at one point in an angle that is smaller than a 90 degree angle.

• obtuse angle

• acute angle

• right angle

six sided shape (closed figure)

• pentagon

• hexagon

• octagon

• triangle

any eight-sided shape (closed figure)

• pentagon

• hexagon

• octagon

• triangle

a parallelogram with all right angles

• rectangle

• triangle

• pentagon

• trapezoid

a parallelogram with all right angles, and all sides the same length

• rectangle

• square

• triangle

• trapezoid

a four-sided shape with opposite sides that are parallel

• triangle

• trapezoid

• angle

• parallelogram

a four-sided shape with two sides that are parallel, and two sides that are not parallel

• rectangle

• square

• trapezoid

• pentagon