Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
A
Top measurement?
Replies
2
Views
697
Dr.Peterson
Dr.Peterson
M
Domain of tan(1/x)
Replies
2
Views
625
Dr.Peterson
Dr.Peterson
B
Geometry problem
Replies
7
Views
1K
lex
L
S
Cross Section Length of a Pentagon
Replies
6
Views
3K
tfmcbride
T
T
Circle Geometry Problem
Replies
3
Views
812
lex
L
P
Unanswerable question?
Replies
14
Views
2K
Peggy
P
A
trigonometric ratios
Replies
4
Views
895
Steven G
Steven G
G
Split - find x values for 2arctan(x) + arcsin(2x/(1+x^2))=pi
Replies
1
Views
547
Dr.Peterson
Dr.Peterson
U
Trig Help
Replies
1
Views
593
UnawarePotato3721
U
R
Conics World Problem final question
Replies
3
Views
866
Dr.Peterson
Dr.Peterson
H
Help.
Replies
1
Views
556
Harry_the_cat
Harry_the_cat
R
Conics word problem question
Replies
3
Views
756
skeeter
skeeter
K
Find the area of the marked in black
Replies
14
Views
2K
lex
L
H
Pls help
Replies
1
Views
556
Deleted member 4993
D
M
Square based pyramid - right-angled Geometry - GCSE question
Replies
4
Views
7K
Milton24
M
K
Find a triangle side
Replies
4
Views
707
Dr.Peterson
Dr.Peterson
A
Geometry
Replies
1
Views
605
Deleted member 4993
D
K
Deduce that cos(2x)cox(x)+(1/2)sin(2x)cos(x)=√2 cos(x)cos(2x-(pi/4))
Replies
7
Views
992
jonah2.0
jonah2.0
M
Need help with equilateral triangle calculation
Replies
1
Views
581
skeeter
skeeter
B
Find"x"
Replies
13
Views
2K
lex
L
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