Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Quick Math Problem (No calculations needed): How many different planes are formed?
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7
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2K
Quick
Q
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From coordinates of four vertices of parallelpiped, find volume
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1
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812
mmm4444bot
mmm4444bot
T
Period of Sine and Cosine
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4
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2K
j-astron
J
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Trig Prob: Given angles of depression, what is the width of the lake? (meters)
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5
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10K
mmm4444bot
mmm4444bot
J
Slicing piece 35 units wide off one side of triangle: need formula
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4
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1K
mmm4444bot
mmm4444bot
K
Help on homework regarding Vectors
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2
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1K
Deleted member 4993
D
R
Find the angle of elevation of T FROM P
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5
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2K
mmm4444bot
mmm4444bot
A
4.6 Triangle Congruency Proof
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3
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1K
yma16
Y
R
Help to find length of Side Np
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6
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3K
richiesmasher
R
J
finding coefficients in a trigonometric function (ferris wheel question)
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2
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952
jbudd
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Function y=3Cos2x solve for x when 3Cos2x=2.0
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13
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4K
richiesmasher
R
P
Photocopier enlarging dimensions question
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1
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1K
Dr.Peterson
Dr.Peterson
R
Height of Cone
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1
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977
Dr.Peterson
Dr.Peterson
Y
Similar figures property
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4
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1K
yma16
Y
G
Using ARCTAN to find an angle... using an unusual computer game coordinate system
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6
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4K
greenapplestoo
G
S
solving trig equation Tan2 (x) + 3 = 0 for all solutions between 0 and 360 degrees
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6
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1K
simonw144
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Finding area of a triangle using a parabola and another triangle
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6
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3K
stapel
stapel
B
a particles location is given by s = 3cos 2ti + 3sin 2tj, confirm its in a circle
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5
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1K
barrick
B
R
Decrease in Diamter.
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14
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3K
Dr.Peterson
Dr.Peterson
A
problem I can't solve: trapezoid w/ bases 14m,16m inscribed in square
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6
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2K
Dr.Peterson
Dr.Peterson
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