# Questions tagged [geometry]

For questions about geometric shapes, congruences, similarities, transformations, as well as the properties of classes of figures, points, lines, and angles.

31,155 questions
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### How do you determine if a geometric construction has degrees of freedom?

I would like to know if there is a common approach to proving or disproving whether degrees of freedom exist after following a geometric construction scheme? To clarify, that the result of the ...
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### Side of the equilateral triangle

I tried very much but since tomorrow is my exam, i cannot risk it. The following is a geometry problem, which i have tried very much but could not grasp a solution. I think that i require pythagoras'...
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### Sphere inscribed in a cone

If a cone of height h and radius r has a sphere inscribed in it such that it touches the base and the curved surface area, how can I find the radius of the sphere? (Is this in the level of a 9 grader?)...
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### How to layer objects - geometry?

I'm developing a kind of perspective based 2d/3d game. I've got an X- and an Y-axis like I've displayed in the image below. To my question: I've got a bunch of objects (marked with "1" and "2") on ...
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