Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
T
Opposing Triangles: 2 lines cross in shape of "X", bases are parallel
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2
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1K
Tyler4550
T
C
Working out x on a vertical opposite angle
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6
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1K
ChickenFarmer
C
E
Segment Problem: Y is between X and Z, find XY. XZ=26 and XY = 3x+2.
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2
Views
1K
Denis
D
S
moment of O of the tension about the pivot point O of the gate
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0
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1K
shadowman123
S
D
Inverse functions equations: Why is arcsin(x) = pi an impossible equation?
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5
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4K
pka
pka
J
Indirect Proof
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7
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1K
jtayag0622
J
I
Area of a.... I dont know what shape this is...
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2
Views
816
Intrepid
I
S
Truth tables
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5
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1K
pka
pka
A
Cone volume problem
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1
Views
798
Deleted member 4993
D
S
I need to project a point from a sphere onto a cube that is tangent to the sphere.
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4
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1K
Sabudum
S
shahar
essay understanding - Archimedes exhaustion
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1
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1K
Dr.Peterson
Dr.Peterson
shahar
Is there a relationship between degrees of angles in a polygon to it's diagonals?
2
Replies
22
Views
5K
Dr.Peterson
Dr.Peterson
shahar
Prove there is only one bisector of a angle to only one specific angle, and...
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1
Views
805
Deleted member 4993
D
N
How to find coordinates of 4 points (shown in picture: thermoelectric cooler device)
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8
Views
1K
nayminsit
N
J
Convert Degrees to Pitch: software converts in one direction; I need the other dir.
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6
Views
2K
jayh99
J
S
Biggest triangle in circle of radius one is different as a cone and sphere
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3
Views
924
sinx
S
N
Didnt know what to put this under its sine and cosine
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3
Views
2K
Dr.Peterson
Dr.Peterson
H
Four Spheres Inscribed inside a Larger Sphere
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5
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4K
Dr.Peterson
Dr.Peterson
S
Crane lifting 2000-kg steel beam; find forces on each of 3 cables
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1
Views
2K
Deleted member 4993
D
G
Rotating the point p = (3, 3√3) counterclockwise about the origin
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2
Views
1K
pka
pka
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