discovering geometry answer key
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may be a paperback somewhere... buy used for relatively cheap. or steal from teacher ha but doubt answers are online... major copyright violation
Question:I lost the teachers handbook for 10th grade geometry lifepac homeschool ciriculum and cant check the answers. Is there a site that can help me with this?
Answers:No of course not. They aren't going to make it easy for you to cheat.
Question:Hi, Does anyone know where I can find an answer key for 'Discovering Advanced Algebra: An Investigative Approach" By Key Curriculum Press? Like a site online or a reliable free download or something? Thanks, that would help a lot!
Answers:*Check the back of the book. Also, check if the book's publisher offers a website. Some books do, and you can find solutions and explanations there*
Question:I know that Euclidian Geometry is the geometry of lines and shapes. What, then, is Plane Geometry?
Answers:Plane geometry is two-dimensional geometry - it is geometry on a surface, and does not include solids like spheres and cubes.
Euclidean geometry is geometry where triangles always have angles that add up to 180 degrees, and two lines in a plane perpendicular to a 3rd line always remain equidistant from each other.
In the 1800's, mathematicians discovered that there are reasonable geometric theories which violate the principles of Euclidean geometry - they are called non-Euclidean geometries. Most people never learn about non-Euclidean geometry unless they take an advanced college geometry course.
Scientists now believe that the geometry of our universe is non-Euclidean. But in very small regions of space, the difference between Euclidean and non-Euclidean geometry is so small it cannot be measured - and our solar system is a very small region of the universe. So for practical purposes in this solar system, we use Euclidean geometry because it is simpler. But if interstellar space travel ever becomes possible, we may need to use non-Euclidean geometry.
The answer to your question is that neither is a subdivision of the other. Plane geometry can be either Euclidean or non-Euclidean. And Euclidean geometry can be either 2-dimensional (plane) or 3-dimensional (solid), or even higher dimensional.
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