Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
A
[Solved] How to find length AB? quadrilateral w/ diag=640, 2 angles given
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2
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1K
Deleted member 4993
D
J
Transversal Challenge problem
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2
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2K
jlerig
J
D
Turning Point
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6
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2K
Dr.Peterson
Dr.Peterson
A
Proving a Quadrilateral is a Parallelogram: Challenge
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4
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1K
austint
A
B
Out sick, have to self teach
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2
Views
890
Dr.Peterson
Dr.Peterson
B
Visualization Problem: Dots and Lines
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11
Views
5K
Dr.Peterson
Dr.Peterson
N
the coordinates of the intersection points of segments x1 and x2
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2
Views
983
nayminsit
N
E
Trigonometic Limit (tan x)^tan(x + Pi/4)
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6
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1K
e_2.718281828
E
G
High School Level: Fun yet tricky triangle problem with diagram.
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1
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1K
tkhunny
tkhunny
C
Geomenty Assistance
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1
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1K
Dr.Peterson
Dr.Peterson
Y
Pre-U Vector Question
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2
Views
1K
Yoshimineb
Y
M
In triangle ABC, the measure of angle BAC is 120, AC = 2AB, M is the midpoint of BC
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1
Views
1K
stapel
stapel
S
Expand expression sen(2pi/3)-cos (2pi/3) to get 2sen(pi/3)cos(pi/3)-1+2sen^2 (pi/3)
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2
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1K
schools and math
S
B
Simplify trig expressions: cos-1(cos(47pi/12), arcsin(tan(-pi/6)), csc-1(cos(2017pi/2
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2
Views
1K
mmm4444bot
mmm4444bot
T
Solving Pythagoras Theorem eqn a^2 + (1.3a)^2 = c^2 for "a": possible?
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3
Views
1K
tfield98
T
B
Given five drawn shapes in a sequence, infer the next shape...?
Replies
7
Views
6K
mmm4444bot
mmm4444bot
E
Point of the tangente is moving, what happens ...
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3
Views
2K
enoimreh7
E
J
What fraction of each of the squares is shaded? (from test for 12-13-year-olds)
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2
Views
2K
Bob Brown MSEE
B
S
Moving a Triangles Center of Dilation
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6
Views
2K
tkhunny
tkhunny
R
If a circle has twice the diameter, is it twice as large or 4 times as large
Replies
3
Views
5K
Dr.Peterson
Dr.Peterson
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