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In constructing a geometric figure, commonly allowed items include a straightedge or ruler for drawing straight lines, a compass for creating circles and arcs, and a protractor for measuring angles. Additionally, pencil and paper are essential for making marks and keeping a record of the construction. Some constructions may also utilize tools like graph paper or software for digital representations.
Construction
To construct a copy of an angle using only a compass and a straightedge, start by drawing a base line and marking a point on it where the vertex of the new angle will be located. Next, place the compass point on the vertex of the original angle, draw an arc that intersects both sides of the angle, and mark the intersection points. Without changing the compass width, place the compass point on the new vertex and draw a similar arc that intersects the base line. Finally, use the straightedge to draw lines from the new vertex through the intersection points, creating a copy of the original angle.
Africa is a good example of geometric boundaries. When Europe had control over Africa around 1884, boundaries were drawn according to Europe's egotistical desires. Tribes, cultures, and historical ways of life were not taken into account when the borders were created, creating much conflict between native peoples. Conflict and instability are common with geometric boundaries because usually outside forces with selfish desires determine these.
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Construction
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Creating arcs and circles with the compass Measuring lengths of line segments by folding the paper and matching the endpoints
Keypoints - Keypoints are merely geometric constructions that we create while creating a geometric model of the given problem. Nodes - nodes are obtained after the we complete the meshing operation. they are a part of the fea model. These are the points where the desired values are obtained. Also nodes are the points where the loads are applied.
To use a protractor by Jason Lazar. A protractor is held in the hand you do not write with. The protractor has a point on one end of an arm and a lead on the other one. Hold the protractor and place the point where you want the center to be. Adjust the free arm to the desired circumference, then take your free hand and hold the top protractor and swivel as the arm with the lead is on the surface creating an arc.
Drawing is creating a figure without tools (i.e. a ruler, a compass, etc.) Constructing is creating a figure with tools.
Brunelleschi is credited with being the first to use geometric principles for creating linear perspective.
vidal sassoon is famous for creating and defying the geometric bob the 60's were famous for
Illustrator typically works very well with geometric and defined forms. It is great for artwork such as creating logos.
Tessellation is the process of creating a two-dimensional plane using the repetition of a geometric shape with no overlaps and no gaps.
A bullnose is a finished material that has a curved or rounded edge. Bullnose edging is used for creating a smooth, rounded edge for counter-tops, corners and other constructions.