Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Tangent lines, circle equations, centers, and radii
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2
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4K
soroban
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DC and BC are tangents; classify the triangle
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2
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2K
Mrspi
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T
Wikipedia Law of Sines Question
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1
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2K
JakeD
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S
Using A^-1 to solve system of linear equations in form Ax=b
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3
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2K
sigma
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Finding the angle, given that the two lines are parallel
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2
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2K
jonboy
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J
Determining if ball reached forward.
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2
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2K
jonboy
J
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Elementary matrices: find E such that EA = B for....
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8
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13K
galactus
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cosine: if z = 1/z = 2 cos 3°, then show that z + 1/z =....
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2
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31K
malick
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Help with finding number of sides, if polygon exists
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4
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4K
TchrWill
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How do you solve this equation?
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2
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2K
sigma
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Ferris Wheel: angular velocity, linear velocity, etc.
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4
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10K
Timcago
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Proving Circles. Part 2
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1
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2K
pka
pka
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Nautical miles and the circumference of the earth
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3
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21K
skeeter
skeeter
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Need help understanding: The equation of a straight line....
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5
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3K
sujoy
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Height of a tree, given angle of elevation and....
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2
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3K
soroban
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Proving Circles..
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7
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3K
Mrspi
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T
Angular and linear speed
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4
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6K
galactus
G
T
Laser beem directed toward the moon?
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6
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8K
Timcago
T
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Complex number question: express -8 - 8sqrt(3) in form of...
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10
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8K
soroban
S
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More elevation problems with weird wording...
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10
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4K
jonboy
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