Geometry and Trig

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