Constructions  
Summary 
when doing constructions, accuracy, clarity and neatness are essential. the common constructions include: bisectors of lines and angles, perpendicular lines, parallel lines, circles and polygons acceptable methods of construction include ruler and compasses, protractors, paper folding and using tracing paper. 
Key Skills 

Vocabulary 
construction, bisector, perpendicular, parallel, compasses, arc, radius, 