Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
A
Prove trigonometric identites see picture for more instructions
Replies
3
Views
735
Deleted member 4993
D
S
Angle and Rotation to movement
Replies
4
Views
1K
sagicoh
S
H
Trigonometry Triangle question
Replies
2
Views
1K
Dr.Peterson
Dr.Peterson
M
How to calculate this area. Please see the picture
Replies
3
Views
874
mahdt007
M
B
VOLUME HELP. STUCK WITH TRAPEZOID.
Replies
10
Views
2K
blamocur
blamocur
C
Constructing a circle relative to another circle
Replies
5
Views
1K
Cato
C
N
area of triangle question
Replies
1
Views
712
Dr.Peterson
Dr.Peterson
C
Geometry length problem
Replies
3
Views
990
blamocur
blamocur
R
Finding angles of the trapezoid
Replies
10
Views
2K
Dr.Peterson
Dr.Peterson
I
The number of trapezoids in " " more than the number of triangles in the figure.
Replies
1
Views
739
lookagain
L
D
My answer is wrong
Replies
5
Views
1K
Steven G
Steven G
J
Geometry Range Help
Replies
2
Views
710
Dr.Peterson
Dr.Peterson
D
Area
Replies
8
Views
1K
Dr.Peterson
Dr.Peterson
W
Geometry
Replies
6
Views
1K
westin
W
J
Please find shaded area problem.
Replies
16
Views
2K
blamocur
blamocur
D
algebra help
Replies
1
Views
620
blamocur
blamocur
B
Proofs on a Triangle (Statements and Reasons Needed.
Replies
3
Views
935
blamocur
blamocur
G
Can’t see the error in my logic here: 3d Pythagoras and cosine rule.
Replies
3
Views
826
galen burnett
G
S
Members of Isosceles triangle in a pentagon
Replies
1
Views
593
lev888
lev888
C
Finding an equation based on sin graph
Replies
4
Views
821
coooool222
C
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