Geometry Shapes Vocab

A four-sided shape with all sides of equal length and four right angles.

• Rectangle

• Square

• Rhombus

• Parallelogram

A round shape with all points on its edge equidistant from its center.

• Square

• Rectangle

• Triangle

• Circle

A closed shape with straight sides made up of line segments.

• Circle

• Triangle

• Curve

• Polygon

Lines that intersect at a right angle, forming corners like the corners of a book.

• Parallel lines

• Perpendicular lines

• Intersecting lines

• Tangent lines

When one half of a shape is a mirror image of the other half.

• Symmetry

• Asymmetry

• Parallelogram

• Rectangle

The measure of the space inside a flat shape, measured in square units.

• Perimeter

• Area

• Volume

• Circumference

The distance around the outside of a shape.

• Perimeter

• Area

• Volume

• Diameter

When two shapes have the same size and shape.

• They are called similar

• They are called congruent

• They are called equivalent

• They are called identical

When two shapes have the same shape but different sizes.

• Similar

• Congruent

• Symmetrical

• Equivalent

To slide a shape without rotating or changing its size.

• Translate

• Rotate

• Scale

• Shear