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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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Locked
Sticky
Read Before Posting!!
Ted
Feb 20, 2006
Replies
0
Views
33K
Feb 20, 2006
Ted
T
Challenge
logistic_guy
Aug 2, 2025
Replies
10
Views
76K
Yesterday at 11:13 PM
jonah2.0
diagonals
shahar
Yesterday at 11:15 AM
Replies
2
Views
242
Yesterday at 5:03 PM
khansaheb
K
Overlaping triangles
shahar
Oct 31, 2025
Replies
10
Views
645
Nov 4, 2025
khansaheb
K
A
Work Done query
apple2357
Oct 2, 2025
2
Replies
21
Views
2K
Oct 14, 2025
The Highlander
two circles
logistic_guy
Sep 16, 2025
Replies
9
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1K
Oct 4, 2025
logistic_guy
ambiguous
logistic_guy
Sep 18, 2025
Replies
5
Views
10K
Sep 28, 2025
logistic_guy
chord in a circle
logistic_guy
Sep 9, 2025
Replies
6
Views
4K
Sep 16, 2025
The Highlander
angle outside the circle
logistic_guy
Aug 29, 2025
Replies
9
Views
33K
Sep 10, 2025
The Highlander
external tangent
logistic_guy
Aug 24, 2025
Replies
16
Views
57K
Sep 7, 2025
logistic_guy
[imath]\bold{Challenge}[/imath] - looks simple but it's very difficult
logistic_guy
Jun 26, 2025
Replies
12
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129K
Sep 4, 2025
Agent Smith
hypothesis
logistic_guy
Dec 23, 2024
Replies
3
Views
37K
Sep 2, 2025
logistic_guy
S
What is the correct matrix for rotation about y-axis? I am seeing different sign for sine(theta) in different sources...
shivajikobardan
Aug 26, 2025
Replies
5
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34K
Aug 27, 2025
blamocur
error
logistic_guy
Aug 23, 2025
Replies
2
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43K
Aug 24, 2025
logistic_guy
S
geometry problem
stephanson12
Oct 26, 2024
2
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26
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79K
Aug 24, 2025
Aion
A
striaght lines - false/true
shahar
Aug 16, 2025
Replies
10
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60K
Aug 17, 2025
Dr.Peterson
J
Bearing problem and Trigonometry
Jignesh77
Aug 13, 2025
Replies
2
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55K
Aug 13, 2025
Jignesh77
J
C
Calculate the QM and the radius
chijioke
Jul 30, 2025
2
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26
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95K
Aug 5, 2025
Dr.Peterson
tangent line to circle Theorem
logistic_guy
Jun 14, 2025
2
Replies
30
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165K
Aug 3, 2025
Aion
A
kids' [imath]\bold{Challenge}[/imath] that many college students failed to solve
logistic_guy
Jul 2, 2025
Replies
11
Views
153K
Jul 29, 2025
logistic_guy
very simple trigonometry & geometry
logistic_guy
Jun 23, 2025
Replies
18
Views
93K
Jul 3, 2025
The Highlander
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