centre line are drawn as?
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Centre lines are drawn to indicate the exact centre of a component being drawn. They are made from a series of lighter long and short dashes. Section lines are special lines placed on a drawing which indicate the area of the drawing through which an imaginary cut has been made to reveal internal details.
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Construction Line: Very lightly drawn lines used as guides to help draw all other lines and shapes properly. Hidden Line: Lines used to show interior detail that is not visible from the current outside view of the part. Symmetrical parts. They are half as thick as an object line.
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['Start by drawing two curved lines – make a letter C on the left and inverted C on the right.', 'Connect the end points on top and bottom by drawing 3 arches between the end points (3 on top and 3 on the bottom).', 'Take a look at the middle arch on top and on the bottom.']
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Concentricity is the derived centerpoint/line between two objects that NOMINALLY share a center. It has no form control. Only location. Runout is the deviation from NOMINAL form about a centerline (often not its own centerline) which controls both form and location.
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The word line usually means a straight line. A straight line is the shortest distance between two points. ... A curved line is sometimes called a curve. The edge of a circle is not straight and is an example of a curve.
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In a plane, point symmetry is symmetry on rotation 180º around the origin. ... Line symmetry is symmetry on reflection in a line, so the letter “B” has a line symmetry across a horizontal line through the middle (depending on your font) and the letter “T” has a vertical line symmetry, while the letter “H” has both.
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In drawing, there are essentially 2 ways we use line: as gesture, and as contour. Gesture line is drawn quickly and is used to lay in the structure of a form. ... Contours are drawn more carefully. In contour, the quality of a line — thick or thin, heavy or light, strong or soft — help the form exist on the page.
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If the inequality is < or >, graph the equation as a dotted line. If the inequality is ≤ or ≥, graph the equation as a solid line. This line divides the xy- plane into two regions: a region that satisfies the inequality, and a region that does not.
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A line of symmetry is a line that cuts a shape exactly in half. This means that if you were to fold the shape along the line, both halves would match exactly. ... A square has 4 lines of symmetry, as shown below.
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The incenter is the intersection (a point) of the three angle bisectors of the angles of the triangle. However, the centroid is the intersection of the three medians of a triangle. A median is a line drawn from the midpoint of one side to the opposite vertex. The centriole is also the exact center of the triangle.
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centroid is a geometrical centre of a plane figure or an object, it divides the shape into regions of equal moments. whereas the centre of a gravity is the point through which the weight of a body acts. the term centre of gravity applies to the bodies with mass and weight while the term centroid applies to plane areas.
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Solid white lines define lanes of traffic going in the same direction, or they show you the location of the shoulder of the road. Broken or “dotted” white lines are used to show the center line between lanes. • Yellow lines show you where traffic is going in different directions.
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Draw four points, A, B, C, and D, on a line so that AC and AB are opposite rays and AC and AD are the same ray.
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Not all lines that divide a figure into two congruent halves are lines of symmetry. The diagonal of a rectangle divides the rectangle into two triangles that are congruent (same size and shape). But the diagonal line is NOT a line of symmetry. Folding along the diagonal does not coincide with the other side.
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Horizontal lines go from left to right across the page. Vertical lines go straight up and down. Diagonal lines are set at an angle.
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Horizontal lines go left and right and are in the form of y = b where b represents the y intercept. Vertical lines go up and down and are in the form of x = a where a represents the shared x coordinate of all points.
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Three points uniquely define a circle. If you circumscribe a circle around a triangle, the circumcenter of that triangle will also be the center of that circle.