Technical Graphics
Home
Getting Started
Equipment
Putting on a sheet
Line Types
Drawing A Border and Title Box
Lettering
Common Symbols
Basic Constructions
Bisecting a Line
Perpendicular from a line to an external point
Perpendicular to a point on a line
Parallel Line through a point
Perpendicular from end point of a line
Dividing a line into an equal amount of parts
Bisecting an angle
Constructing a 90° angle
Constructing a 45° Angle
Constructing a 60° Angle
Constructing a 30° Angle
Triangles
Parts of a Triangle
Types of traingle
Proving a Triangle has 180°
Incentre of a Triangle
Orthocentre of a Triangle
Circumcentre Of a Triangle
Centroid of a Triangle
Medians of a Triangle
Questions
>
Construct an Equilateral Triangle given one side
Construct an isosceles Triangle given the base and altitude
Construct an Isosceles Triangle given the leg and apex angle
Construct a Triangle 30°, 60°, 90° given the hypotenuse
Construct a Triangle given three sides
Construct a Triangle given the base angles and the base length
Construct a Triangle give two sides and an angle
Perimeter/Ratio
>
Construct a Equilateral Triangle with a given a perimeter
Construct a Triangle with a given a perimeter in the ratio 2:3:4
Circles
Parts of a Circle
Concentric/Eccentric Circles
Proofs
>
Prove that the angle in the same segment of a circle is equal
Calculate the angle at the centre of a circle
Questions
>
Construct a circle given 3 points
Tangents
>
Tangent to a point on the circle
Tangent to a point outside a circle
Construct an exterior tangent to the given circles
Construct an Interior tangent to the given circles
Quadrilaterals
Types of Quadrilaterals
The sum of the interior angles in a Quadrilateral add up to 360°
Prove the diagonals of a parallelogram bisect each other
Questions
>
Construct a square given one side
Polygons
Parts of a Polygon
Types of Polygons
Questions
>
How to Construct any Polygon
Construct a Hexagon given one side
Construct a Hexagon in a given circle
How to Construct an Octagon in a Square
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