Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
T
Side Lengths from Coordinates
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7
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1K
Denis
D
T
Altitude to Longest Side of triangle w/ sides 9, 12, 15
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3
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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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5K
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
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6K
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
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2K
pikapikh
P
J
Congruent and Obtuse Angles: name non-right congruent angles
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10
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6K
Loren
L
S
Graphing Transformation of parallelogram 5 units left, 1 dwn
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1
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1K
mmm4444bot
mmm4444bot
G
Solve proof: (sin x / 1+cos x) + (1+cos x/sin x)= 2csc x
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3
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2K
Loren
L
C
circle inscribed in triangle w/ perim. 84, area 336; find r
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2
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2K
TchrWill
T
R
Properties of Equality for Real Numbers
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1
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1K
Denis
D
L
In a right triangle B = 55° 30', and b = 6.05. Find c and a.
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9
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20K
mmm4444bot
mmm4444bot
J
a section of trail has grade of 8%. what is the slope?
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3
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13K
jennyt
J
V
How would you solve these? Cot^-1(-sq. 3/3), cos(tan^-1 u)
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2
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6K
Deleted member 4993
D
M
True or false: If D is between M and T, then MD = DT - MT
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2
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2K
Denis
D
J
Find m<ABC if line BD bisects <ABC,m<=5x-11 and m<2=3x+5
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12
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28K
stapel
stapel
J
You are enclosing a garden with prefabricated fencing....
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11
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3K
mmm4444bot
mmm4444bot
J
If measure of angle 2 is 4 times measure of angle 2, find...
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17
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4K
mmm4444bot
mmm4444bot
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