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15
Math.TechQA.Club
2026-03-28 11:27:22
502
Views
There is a rectangle in 3-dimensional space. If I am only given the $x$ and $y$ coordinates, how do I find the $z$ coordinates?
Published on
28 Mar 2026 - 11:27
#3d
#coordinate-systems
#rectangles
33
Views
Recurrence relation for the volume of a series of truncated cones
Published on
12 Apr 2026 - 20:20
#geometry
#recurrence-relations
#3d
#volume
#solid-of-revolution
55
Views
Cross product, but with angles
Published on
13 Apr 2026 - 15:25
#trigonometry
#vectors
#3d
1k
Views
Surface represented by the equation $x^2-2y^2+3z^2+5yz-6xz-4xy+8x-19y-2z-20=0$
Published on
02 Mar 2021 - 16:29
#conic-sections
#3d
265
Views
Converting a 3D point (x,y,z) into a 2D point (x,y)
Published on
12 Apr 2026 - 21:45
#3d
159
Views
Given a 2D polygon in 3D space identify all points that are not a part of the polygon
Published on
09 Apr 2026 - 11:43
#geometry
#3d
#point-cloud
24
Views
The dot product in the room (third dimension) equal to the axies-values of the two vectors.
Published on
03 Mar 2021 - 15:45
#linear-algebra
#inner-products
#3d
221
Views
Find the parametrization of the intersection of two surfaces
Published on
03 Mar 2021 - 16:22
#calculus
#3d
374
Views
If the mirror image of $P(a,6,9)$ with respect to line $\frac{x-3}{7} =\frac{y-2}{5}=\frac{z-1}{-9}$..
Published on
04 Mar 2021 - 3:38
#3d
69
Views
Rendering a 2D image of a 3D rectangular cuboid
Published on
10 Apr 2026 - 1:05
#geometry
#3d
226
Views
Optimization : Solve $4$ unknowns using $4$ equations
Published on
28 Mar 2026 - 9:43
#optimization
#analytic-geometry
#3d
#coordinate-systems
#rectangles
53
Views
Great Circles and Inscribed Cube
Published on
06 Mar 2021 - 7:04
#geometry
#euclidean-geometry
#3d
79
Views
95 vectors in a cube (APMC 1995)
Published on
09 Mar 2021 - 8:34
#combinatorics
#summation
#vectors
#contest-math
#3d
113
Views
Rotation of non-unit vector to another non-unit vector that share initial point.
Published on
08 Apr 2026 - 19:17
#linear-algebra
#matrices
#3d
#rotations
156
Views
Cosine of angle between diagonals of a cube
Published on
13 Apr 2026 - 16:21
#geometry
#vectors
#3d
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