Constructions

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  • Created by: Fiona S
  • Created on: 22-02-15 00:45

Perpendicular Bisector

(http://www.onlinemathlearning.com/image-files/perpendicular-bisector_clip_image004.gif)

  • set compass to more than half the length of AB
  • put point on A and draw an arc above and below the line
  • put point on B and repeat
  • join C and D ( where the both sets of the arcs cross) with a ruler

Angle Bisector

(http://mathforum.org/mathimages/imgUpload/thumb/CS2.png/550px-CS2.png)

  • set compass (keep it the same length)
  • put point on O and draw arcs on each line
  • put point on A and draw arc in the middle of the arc
  • put point an B and repeat
  • join C to O with a ruler

Equilateral Triangle

(http://www.basic-mathematics.com/images/constructing-equilateral-triangle5-image.gif)

  • set compass to same length as AB
  • put point on

Comments

Queen.Khadijah

Report

really good and effective