Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
K
angles of polygons: each consec. angle increases by 10
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4
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5K
galactus
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M
math help regarding point-slope equations
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2
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1K
Deleted member 4993
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D
geometry: area incr. by 5 same as twice area less 3
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2
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3K
mmm4444bot
mmm4444bot
A
Pre-Cal: solve 45-deg triangle for r; find balloon hght; etc
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4
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4K
Deleted member 4993
D
A
Law of Sines: A = 5 deg, 40 min, B = 8 deg, 15 min, b = 4.8
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1
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6K
soroban
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J
material needed to make ball, air held, % of box not filled,
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17
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6K
Deleted member 4993
D
K
need help to prove a triangle agc is isosceles
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2
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2K
Denis
D
M
Using Parabolas to Find Numbers so sum is 50, sum of sqrs is
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6
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4K
muk
M
H
The point of no return for plane making round trip from fld.
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4
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3K
Deleted member 4993
D
S
Trig: Trying to figure out Tanx + 3 = -4. Use a formula...?
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1
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2K
Loren
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I
Cone constructed from circular paper w/ 3-inch radius by....
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4
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5K
Deleted member 4993
D
I
Logarithms: using logs to solve 2^x + 2^(-x) = 3
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3
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2K
tkhunny
tkhunny
X
Congruency for (a) and Parallelism for (b)
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1
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1K
tkhunny
tkhunny
E
The How and Why of a Distance Calculator
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2
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2K
ezerick
E
L
One Last Trig Identity Q: (tanx/(secx +1)) = (secx -1/tanx)
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5
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8K
teacherteacher
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Proving Trig Identities: sec x (1 + cos x) = 1 + sec x
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4
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2K
laura.edan
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W
how to find perimeter of rectangle forming diam's of 2 semi-
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2
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2K
skeeter
skeeter
B
3rd point of triangle, given 2 lengths, included angle
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5
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11K
Denis
D
H
Finding Two Angles Given A Ending Point
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1
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2K
Deleted member 4993
D
S
Trigonometric Identities: Negative Angle Relations
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4
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2K
tkhunny
tkhunny
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