Transferring an Angle
There is a geometric construction for laying off, on another part of the same drawing or on a different drawing, […]
Engineering Design
Engineering Design
Division of Lines
Geometric construction for dividing a line into any number of equal parts is shown in figure 4-6. To divide AB
Engineering Design
Bisecting a Line
Geometric construction for bisecting a line is shown in figure 4-5. To bisect the line AB, use the ends of
Engineering Design
Dropping a Perpendicular from a Given Point to a Line
Figure 4-3 shows a method of dropping a perpendicular from a given point to a line, using a compass. To
Engineering Design
Parallel Line at a Given Distance from another Line
Figure 4-2 shows another method of drawing one line parallel to another, this one being used when the second line
Engineering Design
Line Through a Point, Parallel to another Line
One method of drawing horizontal and vertical lines, perpendicular and parallel lines, and inclined lines is by using a straightedge
Engineering Design
Angles
∠, the angle symbol In geometry, an angle is the figure formed by two rays sharing a common
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Similarity
Shapes shown in the same color are similar Two geometrical objects are called similar if they both have the same
Engineering Design
Congruence
An example of congruence. The two figures on the left are congruent, while the third is similar to them. The
Engineering Design
Geometry
An illustration of Desargues’ theorem, an important result in Euclidean and projective geometry. Oxyrhynchus papyrus (P.Oxy. I 29) showing fragment