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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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S
find the area of a pentagon
Sarah&Sierra
Mar 12, 2009
Replies
3
Views
1K
Mar 12, 2009
Sarah&Sierra
S
D
Find the Perimeter and Area of a regular polygon
devlin220
Mar 11, 2009
Replies
3
Views
2K
Mar 12, 2009
Denis
D
E
4cos^2(2x)-4cos2x+1=0
Ecc1213
Mar 9, 2009
Replies
4
Views
7K
Mar 9, 2009
Ecc1213
E
I
Two geometry problems -->
iSaInt
Mar 9, 2009
Replies
2
Views
993
Mar 9, 2009
stapel
T
Side Lengths from Coordinates
The Paradox Obsessed
Mar 8, 2009
Replies
7
Views
1K
Mar 8, 2009
Denis
D
T
Altitude to Longest Side of triangle w/ sides 9, 12, 15
The Paradox Obsessed
Mar 8, 2009
Replies
3
Views
5K
Mar 8, 2009
soroban
S
S
polygons and circumscribing
sombra
Mar 8, 2009
Replies
2
Views
1K
Mar 8, 2009
sombra
S
T
What is the area of a circle with the diameter of 3 cm?
triplethreat
Mar 7, 2009
Replies
4
Views
5K
Mar 7, 2009
mmm4444bot
N
Log of 27 times 4th-rt of 9 times 3rd-rt of 9 to base 3 is ?
natalie462
Mar 6, 2009
Replies
1
Views
1K
Mar 6, 2009
Mrspi
M
C
double angle equation: cos(2theta) + cos(4theta)= 0
cledesma
Mar 5, 2009
Replies
1
Views
6K
Mar 5, 2009
soroban
S
R
Congruent: ways to remember which angles are congruent
rubyred
Mar 5, 2009
Replies
1
Views
2K
Mar 5, 2009
Loren
L
P
how to solve thiss???? cos 3x - cos x - sin 3x - sin x
pikapikh
Mar 1, 2009
Replies
3
Views
2K
Mar 5, 2009
pikapikh
P
J
Congruent and Obtuse Angles: name non-right congruent angles
Jeff24
Mar 1, 2009
Replies
10
Views
6K
Mar 4, 2009
Loren
L
S
Graphing Transformation of parallelogram 5 units left, 1 dwn
sdreyer
Mar 3, 2009
Replies
1
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1K
Mar 4, 2009
mmm4444bot
G
Solve proof: (sin x / 1+cos x) + (1+cos x/sin x)= 2csc x
goldenfuture5
Mar 3, 2009
Replies
3
Views
2K
Mar 4, 2009
Loren
L
C
circle inscribed in triangle w/ perim. 84, area 336; find r
catcosine
Mar 3, 2009
Replies
2
Views
2K
Mar 3, 2009
TchrWill
T
R
Properties of Equality for Real Numbers
rubyred
Mar 2, 2009
Replies
1
Views
1K
Mar 3, 2009
Denis
D
L
In a right triangle B = 55° 30', and b = 6.05. Find c and a.
L3
Mar 2, 2009
Replies
9
Views
20K
Mar 3, 2009
mmm4444bot
J
a section of trail has grade of 8%. what is the slope?
jennyt
Mar 2, 2009
Replies
3
Views
13K
Mar 2, 2009
jennyt
J
V
How would you solve these? Cot^-1(-sq. 3/3), cos(tan^-1 u)
Violagirl
Mar 1, 2009
Replies
2
Views
6K
Mar 2, 2009
Deleted member 4993
D
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