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GEOMETRICAL CONSTRUCTIONS
CONTENT
- Introduction
- Hints to Make Accurate Construction
- Bisection of a Line Segment using a Pair of Compasses and a Ruler
- Construction and Bisection of Angles
- Construction of Plane Shapes – Construction of Triangles and Quadrilaterals
- Copying a Given Angle
- Quantitative Reasoning
Introduction
Hints to Make Accurate Construction
The following hints will help you to make accurate construction:
- Use a sharp and hard pencil.
- Use a straight ruler.
- Make a pair of compasses tight if it is loose.
- Make a free-hand sketch of intended figure before the real construction.
- Ensure that the points of intersection of lines and arcs are clear.
- Ensure that the drawing paper is on a hard surface.
Bisection of a Line Segment using a Pair of Compasses and a Ruler
Construction of a Line Parallel to a Given Line
Given: A line segment AB and a point P.
Required to: Construct through P, a line parallel to AB.
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ClassHall Instructor
Ezimeruwe Oghenekaro
Halima Ahmadu
Sadiq Barau