Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
S
Something is not right with calculating the area of these shapes
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0
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827
Seabottom
S
F
Solve for solutions over the interval [0,360)
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1
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777
ksdhart2
K
J
Help me out here please!
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4
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1K
jujuchub
J
T
How to best place a rectangular slot in an ovoid sector?
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0
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835
Thailandian
T
X
Proofing for the surface area of a sphere
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1
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1K
ksdhart2
K
A
euclidean geometry: Draw a parallelogram ABCD and the height DH relative to AB.
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3
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2K
Alfredo
A
R
Arc length between two points on a cylinder
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2
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2K
rww88
R
T
Solve for sides of a triangle
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2
Views
919
stapel
stapel
W
Derivation formula for b(x)
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1
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833
Westerwolde
W
J
Sunrise / Sunset times translated to degrees
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2
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1K
jameswest
J
L
Can't understand if question is wrong: Given sin(A-B)/sin(A+B)=2/3 , prove tanA=tanB
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2
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1K
Harry_the_cat
Harry_the_cat
R
Curvalinear distance bewteen two points on a cylinder (geodesic)
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1
Views
1K
rww88
R
R
Surface Area
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0
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731
RadicalStudent
R
R
I need Trig help
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1
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1K
ksdhart2
K
E
Solve This Equation it's making me go crazzy
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5
Views
1K
evilhero223
E
T
Inscrbed angles: If m(<CBD) = 44 degrees, then find m(<BAC) in degrees
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1
Views
2K
Deleted member 4993
D
B
Finding minimum value of 3 + sqrt[2] cos(x + 20) on 0 <= x <= 360 degrees
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1
Views
1K
Deleted member 4993
D
E
Menelaus' Theorem and Concurrency
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5
Views
3K
ebwoolf96
E
H
Pre Calc Trig: Prove sinx(tan^2x+1)=tanxsecx; solve sinxcotx^2-sinxcsc^2 x=1/2
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2
Views
1K
stapel
stapel
A
Geometry Problem for Loading a Machine into a container
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1
Views
899
Deleted member 4993
D
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