Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
M
Polygon angles (basic)
Replies
10
Views
4K
McEwan25
M
A
Vector addition. Please help.
Replies
5
Views
1K
Dr.Peterson
Dr.Peterson
A
Riddle of the month. How do i show that the triangles have the same area?
Replies
4
Views
910
Dr.Peterson
Dr.Peterson
markraz
Need intersection advice please
Replies
13
Views
3K
Dr.Peterson
Dr.Peterson
G
Creating a Root3 Vesica Cone?
Replies
8
Views
1K
Cubist
Cubist
E
Earth and Moon, same angular size, at one point. I think I made a mistake...
Replies
8
Views
1K
Erik te Groen
E
A
How to find measure of common part of a line segment?
Replies
4
Views
969
Aditya Ubarhande
A
B
How to sketch ?
Replies
1
Views
585
Bushra
B
H
I don't know what I'm doing wrong
Replies
5
Views
735
jonah2.0
jonah2.0
B
Please help I'm a bit lost .
Replies
4
Views
782
Steven G
Steven G
H
Circles and Angles
Replies
6
Views
2K
homeschool girl
H
B
Finding the period for a sine or cosine function
Replies
10
Views
3K
bro123
B
M
Find perimeter of internal triangle
Replies
9
Views
1K
Marchburn
M
M
how to find an angle?
Replies
3
Views
920
marinaa11
M
P
# of rhombuses to fit in a rectangle
Replies
8
Views
2K
Dr.Peterson
Dr.Peterson
D
parallel, perpendicular or neither
Replies
8
Views
1K
lookagain
L
H
Please help me.
Replies
1
Views
562
HallsofIvy
H
B
Parallel, perpendicular or skew and why?
Replies
7
Views
2K
Steven G
Steven G
G
In observing a Tetrahedron.....
Replies
3
Views
915
JeffM
J
B
Parallel and trasversal lines
Replies
4
Views
738
bilius2007
B
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