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15
Math.TechQA.Club
2026-03-26 23:54:25
403
Views
Proof of the VSEPR shapes.
Published on
26 Mar 2026 - 23:54
#geometry
#3d
#chemistry
226
Views
A pyramid $OABC$ has vectors $\vec{OA}=a$, $\vec{OB}=b$ and $\vec{OC}=c$.
Published on
25 Mar 2026 - 18:47
#geometry
#vectors
#3d
#cross-product
#solid-geometry
696
Views
Build 3d model from distances between points
Published on
20 Dec 2018 - 5:58
#linear-algebra
#3d
336
Views
Tangent vector to two circles in 3D
Published on
26 Mar 2026 - 6:25
#geometry
#3d
#tangent-line
474
Views
Side length of a regular tetrahedron given the radius of the sphere tangent to its edges
Published on
31 Dec 2018 - 23:30
#geometry
#3d
924
Views
Is $2x-y = 0$ a plane or line in 3d?
Published on
03 Jan 2019 - 15:18
#linear-algebra
#3d
58
Views
3D geometry, what are the coordinates of the 4th vertex and the point of intersection of this trapezoid?
Published on
04 Jan 2019 - 11:43
#geometry
#3d
21
Views
What do I need to do and know to find an extremum of a function in a parallelogram?
Published on
25 Mar 2026 - 23:38
#multivariable-calculus
#3d
#computational-mathematics
46
Views
I have 5 dimension points (x,y,z,w,v)
Published on
25 Mar 2026 - 19:04
#3d
#projection
5.7k
Views
Tangent line to a 3D curve at a given 3D point
Published on
25 Mar 2026 - 7:48
#3d
#curves
#math-software
275
Views
Diagonal calculation in a 3D square
Published on
11 Jan 2019 - 14:36
#euclidean-geometry
#triangles
#3d
497
Views
How would one find the equation for the normal line to a 3-dimensional equation at a given point?
Published on
13 Jan 2019 - 4:52
#derivatives
#3d
1k
Views
calculating new 3D position on sphere with angular velocity vector
Published on
26 Mar 2026 - 1:27
#vectors
#3d
#rotations
#spheres
#angle
1.4k
Views
Sampling from surfaces of a 3D cube
Published on
14 Jan 2019 - 22:43
#geometry
#3d
297
Views
What is the proper equation to use when finding the tangent plane?
Published on
15 Jan 2019 - 0:05
#multivariable-calculus
#3d
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