Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
J
Impossible proof, please help
Replies
1
Views
2K
Mrspi
M
B
Are there closed plane figures that are not triangles that have an angle-sum of 180°?
Replies
6
Views
9K
HallsofIvy
H
L
Curve Tracing
Replies
2
Views
1K
Liam22
L
H
Volume of rocks
Replies
2
Views
5K
HallsofIvy
H
S
Please help.
Replies
1
Views
1K
stapel
stapel
V
Trigonometric Functions Problem
Replies
1
Views
3K
Deleted member 4993
D
C
Finding Area of triangle and trapezoid
Replies
6
Views
3K
Cindy Burgess
C
P
Chemical Adjustments - Problem Solving
Replies
1
Views
2K
DrPhil
D
rahrah
radical expressions
Replies
1
Views
1K
tkhunny
tkhunny
P
Help me with this trigonometric identity
Replies
8
Views
3K
soroban
S
J
Help finding an angle
Replies
2
Views
2K
DrPhil
D
1
Cone-cut part.
Replies
4
Views
2K
lookagain
L
S
solving Trig Equation which techniquse to use?
Replies
4
Views
2K
Starblazer
S
S
Need help proving Ceva's Theorem
Replies
0
Views
2K
sfsads
S
N
How To Set Up This Geometry Equation?
Replies
2
Views
3K
Noora
N
S
CAS System Answer to Trigonometric Equation Query
Replies
3
Views
2K
HallsofIvy
H
S
Endpoint
Replies
5
Views
3K
lookagain
L
D
Coordenate
Replies
3
Views
1K
Deleted member 4993
D
B
Graphing sin functions
Replies
3
Views
1K
Deleted member 4993
D
S
Area calculation
Replies
3
Views
1K
stapel
stapel
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