Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Geometry: an overhead view of a revolving door is shown....
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3
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5K
soroban
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Trig Identities: cos^2(2x) + sin^2(2x), os^2(x)-1/sin(x),
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1
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118K
tkhunny
tkhunny
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Geometry: if parallelogram's diag. bisects angle, it is a...
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1
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2K
Deleted member 4993
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Help with Math problems
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2
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2K
stapel
stapel
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need help w/ set up: How long did Kent, Sharon work?
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1
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2K
stapel
stapel
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Applying trigonometric functions to a problem
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4
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2K
mcof
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M
Help with Geometry please
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3
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2K
Deleted member 4993
D
X
Specific Logarithmic Spiral
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0
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1K
xylenz
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Intersecting Planes
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2
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2K
sqleung
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What are Rectilinear angles? Is there another term?
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1
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1K
skeeter
skeeter
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Vectors and Right-angled triangles
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3
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2K
Deleted member 4993
D
X
Spiral Math
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10
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4K
xylenz
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Series: monotonically in/decreasing, bounded, con/divergent
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1
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2K
royhaas
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J
Area of trapezoids
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5
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2K
sgtpepper
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R
Line Intersections: is this angle sixty degrees?
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3
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2K
Deleted member 4993
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Verifying Trigonometric Identities.
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11
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6K
Deleted member 4993
D
J
Parallelogram problem: use coord's to prove in general
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3
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2K
Deleted member 4993
D
M
shortest center-chord distance; length of tangent; etc.
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4
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2K
stapel
stapel
A
Please help with partial circle areas...
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2
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2K
adevine
A
M
I'm a little confused. It could be Trig, Algebra, or both.
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9
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3K
mrtrixta
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