Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
I
What does it mean (180⁰ - θ)?
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9
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2K
MarkFL
MarkFL
T
Equilateral triangles (marked); M, N, P are midpoints of AD, CF, EB. Prove MNP is...
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7
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1K
Taric
T
I
Why (90⁰-θ)?
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1
Views
720
MarkFL
MarkFL
H
Find the sides of right triangle, given only the area
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11
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2K
Denis
D
B
Trignometry
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3
Views
1K
Dr.Peterson
Dr.Peterson
S
why 2 circles of 5cm diameter are not equivalent to a circle of 10cm diameter?
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6
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2K
scrlet
S
I
Solve sin(2θ) = 1
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7
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4K
mmm4444bot
mmm4444bot
I
If tanθ = 1, then how to calculate θ = 45
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16
Views
7K
Dr.Peterson
Dr.Peterson
M
the maximum number of bounded regions created by n line segments w/o lifing pencil?
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4
Views
3K
Dr.Peterson
Dr.Peterson
J
Solve for the value of x:cos 60 degrees +cos^2 60 degrees + cos^3 60 degrees +...+ =x
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3
Views
1K
ksdhart2
K
R
Find Angle Of X
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3
Views
1K
stapel
stapel
J
Trigonometry Functions with a Negative Domain
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5
Views
1K
June
J
B
Tonnage (say 80 ton full) of cone given a percent full.
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1
Views
783
Deleted member 4993
D
D
Don't you be no square... (A 10by10 square contains 100 1by1 squares...)
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16
Views
2K
Denis
D
I
Approximate Rectangle's Rotational Axis Given Corner Vectors?
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2
Views
951
IllusionSector
I
H
Area of triangle ABC, given AB=AC=sqrt{52}, BC=8, DC=BD, altitude is AD
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2
Views
976
MarkFL
MarkFL
I
How to calculate a diameter of the beam on a given didtance?
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2
Views
828
IgorFi
I
L
Distance between two gps coordinates. Solve for r and θ assuming j,b,t,w are known.
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1
Views
4K
tkhunny
tkhunny
I
Can someone help me understand how to find the area of the overlapping triangle
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3
Views
914
sinx
S
T
How to find projected area in the x-z plane of an ellipsoidal cap rotated by angle β?
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0
Views
2K
tantribout
T
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