Construction of a Triangle from Three Given Sides
To draw a triangle with three sides given, first draw a straight line AB, equal in length to one of […]
Engineering Design
Engineering Design
Engineering Design
Bisecting an Angle
To bisect an angle means to divide it in half. If you know the size of the angle, you can
Engineering Design
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
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
Engineering Design
Similarity
Shapes shown in the same color are similar Two geometrical objects are called similar if they both have the same