Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
C
Rules of compass and straight-edge constructions
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1
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2K
TchrWill
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J
Geometry: cylinder, r = 2, L = 6, h = 3: find depth if vert.
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3
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10K
Denis
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Addition and Subtraction Formula Trig: evaluate sin(255),
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2
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5K
Loren
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M midpoint of DE, m<1>m<2DF=13x-5, Ef=7x+25, find x
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3
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2K
Mrspi
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R
Geometry Question
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1
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1K
Loren
L
R
Determine whether poss. to have triangle w/ given vertices
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3
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2K
rubyred
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K
Not sure what need to solve, need quick answers
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1
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1K
Denis
D
I
Right Triangle with 3-legs: Find measure of side AD, given
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9
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6K
ILovePizza
I
A
need to factor tanx - sec^x / tanx down (ans. is -cotx)
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1
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1K
Loren
L
R
Geometry
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1
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1K
Denis
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R
find x so triangle ABD is congruent to DBC by indicated Thm
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3
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1K
Deleted member 4993
D
T
Trigonometry Take-Home Test: Please Help!
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2
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3K
stapel
stapel
C
If calf muscle inserted at distance 2X greater than that of
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1
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1K
stapel
stapel
V
Polar coordinates: find other coords for (-3, -pi/4)
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2
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37K
soroban
S
T
isosceles triangles: perim of 25, all sides whole-number val
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3
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3K
Denis
D
N
[SPLIT] triangle w/ b=4, h=7; similar triangle w/ A=121: find h,
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2
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2K
stapel
stapel
P
supplementary and complementary angles
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3
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1K
Mrspi
M
M
Roots of cubed: x-1=0, x=1; x^2-1=0, x=+1,-1; x^3-1=0, x=?
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2
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2K
stapel
stapel
K
pole height: 10-ft guy wire 2 ft further than pole's height
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1
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1K
Loren
L
A
Solve: sin(x)+sin(2x)+sin(3x)= 1 +cos(x)+cos(2x)
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2
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9K
Aladdin
A
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