Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
P
Geometry help needed by guitar builder
Replies
7
Views
2K
pjdeklerk
P
A
80 degrees
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14
Views
3K
Otis
Otis
shahar
Sinus domain: y = sin(alpha) What is the domain of y is between -1 to 1?
2
Replies
23
Views
4K
Otis
Otis
Steven G
GEOMETRY problem
2
Replies
23
Views
4K
klimbo
K
Wahamuka
Unit Circle Trigonometry Quick Question
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
Wahamuka
Unit Circle Trigonometry
Replies
1
Views
1K
tkhunny
tkhunny
D
Distance and Midpoint help
Replies
2
Views
1K
HallsofIvy
H
N
This question makes zero sense
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15
Views
3K
Steven G
Steven G
J
trig equation solution help
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6
Views
1K
JeffM
J
N
A cone has a surface area of 1188 cm^2, and a radius of 8.5 cm. Find the height of th
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9
Views
2K
JeffM
J
N
Given base area of 50?
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1
Views
1K
Steven G
Steven G
N
I don't really get this question at all
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9
Views
4K
Needhelp4math
N
M
Proof for parallel lines
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8
Views
2K
Dr.Peterson
Dr.Peterson
N
What is the slant height of this cone?
Replies
4
Views
2K
JeffM
J
N
What is the surface area of this shape?
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5
Views
2K
Dr.Peterson
Dr.Peterson
E
Perimeter inequality
Replies
3
Views
1K
eligotas
E
S
Two Column Proof Problem
Replies
1
Views
971
Steven G
Steven G
L
tan(x/2-π/2)=sqrt2 ?
Replies
3
Views
2K
topsquark
topsquark
B
Solve: cos^−1(2x) + sin^−1(x) = π/3
Replies
19
Views
3K
Bobby Bones
B
B
"Strange" exam questions?
Replies
2
Views
1K
Bobby Bones
B
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