geometrical construction f2
DESCRIPTION
the notes for form 2TRANSCRIPT
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Geometrical ConstructionChapter 7
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To construct a line segment of given length*We need ruler and a pair of compasses to construct a line segmentExample: Construct a line segment PQ of 5cm.P
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To construct a triangle given the length of the sidesConstruct a triangle ABC given AB=4cm, BC=3cm and AC=2 cmA
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To construct a perpendicular bisectorA) A perpendicular bisector to the a given line.Example: Construct a perpendicular bisector to the line AB=5cm.AB
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EXERCISETEXTBOOKPAGE 129NO 1 (a, b, c)
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To construct a perpendicular bisectorB) A perpendicular bisector to a line passing through a point on a line.Example: Construct a perpendicular line to the line AB that passing through PABP
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EXERCISETEXTBOOKPAGE 129NO 2 (b, c)
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To construct a perpendicular bisectorc) A perpendicular bisector to a line passing through a point not on the lineExample: Construct a perpendicular line from P to AB.ABP
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EXERCISETEXTBOOKPAGE 129NO 3 (b, c)
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AB
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AB
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To construct a bisector of an angleAn angle bisector divides an angle into two equal angles.Example: Construct the bisector of angle ABC.ABC