Locks a point or object in place so it doesn't move

• Fixed

• Perpendicular

• Symmetric

• Vertical

Force two lines to meet at a right angle

• Concentric

• Equal

• Perpendicular

• Coincident

Aligns two lines to run in the same direction

• Concentric

• Horizontal

• Fixed

• Parralel

Maintains equal distance and orientation on both sides of a centerline

• Symmetric

• Perpendicular

• Equal

• Tangent

Indicates a line is perfectly upright

• Parallel

• Vertical

• Coincident

• Tangent

Forces a line or curve to touch another curve at exactly one point

• Horizontal

• Symmetric

• Tangent

• Fixed

Ensures lines or elements are perfectly side-to-side

• Vertical

• Parallel

• Fixed

• Horizontal

Ensures two circles share the same center

• Equal

• Coincident

• Concentric

• Collinear

Makes two objects have the same dimensions

• Perpendicular

• Equal

• Vertical

• Parallel

Joins a point to another lines

• Coincident

• Collinear

• Symmetric

• Fixed