Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
O
Resultant vector by triangle method
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1
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1K
Deleted member 4993
D
E
Structures: "List the topics covered in structures maths lessons..."
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7
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1K
Empsie
E
W
Need help with 4th edge of perimeter
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4
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1K
Harry_the_cat
Harry_the_cat
E
Need help pls!!! (19 questions/parts related to polygons, circles, etc)
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16
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2K
Steven G
Steven G
N
Find sides of rectangle, given sides, angles, etc for quadrilateral inside rectangle
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6
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1K
Dr.Peterson
Dr.Peterson
T
Whole Number Interior and Lengths Triangle - Does It Exist?
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5
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2K
jtayag0622
J
T
Maths Angle: A surveyor measures the angle of elevation as 19 degrees....
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2
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5K
HallsofIvy
H
T
Direction and speed control for effect sprites on a screen
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1
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806
lev888
lev888
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
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