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CAREER & COLLEGE READY

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STARTS HERE

In this lesson, students will take their skills on drawing lines and circles, usage of the object snaps, and apply this to the actual geometric constructions necessary to compete projects in 2D CAD. The students have now learned how to draw basic shapes and use them accurately with guides, locks, and object snaps. Now they will learn how to take this to the next level and create modifications of basic geometry. Some of CAD's modify tools like "divide", construction lines with bisect options, scale, copy, rotate, and the creation of polygons with different constraints will all be explored.

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- The student will be able to divide a line into equal parts.
- The student will be able to bisect a line.
- The student will be able to enlarge or downsize a drawing using the “scale” command.
- The student will be able to bisect an angle.
- The student will be able to copy an angle into a new location and with a new rotation.
- The student will be able to construct a triangle with a set of given side lengths.
- The student will be able to construct an equilateral triangle.
- The student will be able to draw any regular polygon on a given side.
- The student will be able to draw any regular polygon inscribed in a given circle.
- The student will be able to draw any regular polygon circumscribed about a given circle.
- The student will be able to place a circle through any 3 given points.
- The student will be able to construct a circle tangent to a given line at a given point.
- The student will be able to place a line tangent to a given circle at a given point.
- The student will be able to place an arc tangent to 2 given lines and/or arcs and with a given radius.
- The student will be able to place a circle tangent to a given set of 3 lines and/or arcs.
- The student will be able to create an ellipse with a given starting point, major axis and minor radius.
- The student will be able to create an ellipse with a given center and given major/minor half axes.
- The student will be able to place a rectangle in any given location and with a given size.