Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
D
Calculate circumference without using Pi
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4
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2K
Deleted member 112953
D
imk
How to calculate width of gap between two objects along an oblique angle
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4
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1K
lev888
lev888
B
Im not sure how to do this...
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9
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3K
jonah2.0
jonah2.0
M
is [imath]f:\mathbb{R}\rightarrow \mathbb{R}^2, f(t)=(t^2, t^3)[/imath] an embedding?
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4
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MathNugget
M
M
Is the [imath]\mathbb{S}^2[/imath] sphere diffeomorphic to [imath]P^2R[/imath] ?
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13
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5K
blamocur
blamocur
D
Orthogonal Vectors Problem
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2
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847
Dr.Peterson
Dr.Peterson
imk
How to calculate the X,Y index of a cell in a matrix
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2
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1K
imk
imk
A
Is this obvious? Approximation of pi?
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3
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1K
apple2357
A
Z
Sinusoidal project
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0
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585
zephyr
Z
L
Help with trigonometry Translations
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5
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2K
mario99
M
?
Two Trigonometry Exercises
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6
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2K
khansaheb
K
T
an optional project from geometry
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3
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1K
mario99
M
N
List of sas triangle problems
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6
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2K
neilo
N
T
Finding center of a circle given limited infomation
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10
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3K
texasaggie0004
T
S
Trigonometry: P,A,B,C points in plane s.t. <BPA, <CPA are obtuse and on opposite sides of PA
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6
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2K
Stardust1
S
T
need to prove formula for height of anti-prism
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2
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1K
thxeveryone
T
T
Pls help ASAP how to find the distance from a vertex of a pentagon to its center knowing each side = 1
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2
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1K
thxeveryone
T
B
Rise of an arc: 8-ft pipe, ends at A, B, center at C, ground is D. How far will C rise from D if...?
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6
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2K
Cubist
Cubist
E
Found a sine formula: a sin( (pi(180x + wp))/(180w) )
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6
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2K
erikthemathematician
E
R
Force Vectors: In a warehouse a box is being pulled up a ramp that has a 15 degree incline....
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4
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2K
The Highlander
The Highlander
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