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# What are some sample answers to the problems in "Discovering Geometry"?

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One summary problem is, "What geometric shapes do each of these solids [a rectangular pyramid and a cylinder with a cylindrical hole going through it] contain?" A possible answer is, "The solids contain lines, segments, collinear and coplanar points, acute and right angles, triangles, a rectangle and concentric circles."

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Another summary problem from "Discovering Geometry," published by Kendall Hunt, is, "Draw three line segments on a sheet of paper. Duplicate them to make a triangle, if possible." A sample answer to this problem is, "As long as the sum of any two lines is longer than the third, a triangle can be constructed. Constructing several triangles from the same three segments always yields the same triangle, although it may be a mirror image. So, provided that a triangle can be constructed, the triangle is determined."

## Related Questions

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About.com suggests phone apps like Algebra Genie, Wolfram Algebra Course Assistant, Quadratic Master, and Algebra Boot Camp. Mathway and WebMath are online sites that offer free math answers.

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It is unethical to purchase homework answers because it's a falsification of source material. Buying work means that the student has consulted a primary source but hasn't given correct credit or citation to that source. Rather, the student is passing the work off as her own, which is falsification.

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The types of answers on WebAssign vary according to the nature of the question and may involve a number, letter, word or a more complex response. Simple factual answers can be graded either by the instructor or an automated program, whereas show-your-work, essays and other complex answers must be graded by the instructor. Answer keys are available to the instructor to facilitate grading.