Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
A
Vectors Problem: wheelchair on a ramp inclined at an angle of 20 degrees
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1
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2K
tkhunny
tkhunny
J
Similar Triangles Proof: ABC sim to RST, BX bisects angle ABC, SY bisects angle RST
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8
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3K
Steven G
Steven G
D
Unsure how to solve: a square ABCD and an equilateral triangle DPC
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1
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2K
Dr.Peterson
Dr.Peterson
shahar
Quadrilateral Family: In nice and green valley there is a building with 4 floors...
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13
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3K
Steven G
Steven G
A
cosxcos4xcos8x =1/8: efficient way of solving this?
2
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20
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5K
apple2357
A
J
Constructible Solutions: how to prove x^3−6x+2√(pi) has no constructible solutions?
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1
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1K
Deleted member 4993
D
J
Vectors: OAB is triangle, vector OA = a, vector OB = b
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2
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4K
Steven G
Steven G
C
Help: Find line perpendicular to y=-2/3x-8/9 passing thru (6,-9)
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7
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2K
jtayag0622
J
M
Formel for tangent problem
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7
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1K
Dr.Peterson
Dr.Peterson
S
Pigeonhole principle in geometry
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2
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1K
Steven G
Steven G
N
Help finding value of x
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8
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1K
Denis
D
A
Vectors Problem
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4
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1K
AWildZeebra
A
K
Looking for Geometry Book/Online Curse with Questions + Answers like these
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0
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971
KH%3
K
M
The diameter of a circle
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4
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1K
Mike
M
Harry_the_cat
Is an equilateral triangle an isosceles triangle?
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13
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5K
Dr.Peterson
Dr.Peterson
E
Confused on order of operations for trig
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3
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2K
JeffM
J
D
Hot to calculate the mediana of trapezoid in analytical geometry?
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1
Views
862
mmm4444bot
mmm4444bot
S
Geometry help
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7
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1K
pka
pka
D
Need help solving
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2
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1K
Harmless Drudge
H
C
Need help with angles
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7
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1K
Dr.Peterson
Dr.Peterson
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