Flashcards
Constructions - Bisectors
Cards in this deck (9)
- 1Perpendicular bisector of a line segment: The locus of a point which moves so that it is an equal distance from two points, A and B, is the perpendicular bisector of the line joining A and B Perpendicular mean at right angles to Bisector means cuts in half
- 2To construct this locus, you do the following:Draw the line segment XY
- 3Put your compass on X and set it to be over half way along the line. Draw an arcWithout adjusting your compass put it on Y and draw anther arc
- 4Label these points A and BDraw a straight line through A and B
- 5The point M where the lines cross is the midpoint of XY. And AB is perpendicular to XYBisecting an angle
- 6V is the vertex of the angle we want to bisectPlace your compass on V and draw an arc that crosses both sides of the angle
- 7Label the crossing points A and BPlace your compass on A and draw an arc between the two sides of the angle
- 8Without adjusting your compass place it n B and draw another arc that cuts off the one you just drew. Label the point where they cross CDraw a straight line through V and C
- 9The line VC bisects the angle. Angles AVC and BVC are equalREMEMBER: In an exam, do not rub out construction lines
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- Maths Flashcards on Constructions - Bisectors, created by Liffey Farrell on 13/05/2017.
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- Liffey Farrell
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