Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
J
Quadrilateral ABCD
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2
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2K
jayjay12
J
H
Trig identity: sin^4 theta + cot^2 theta = (1/4)sin^2 2theta
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5
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3K
Mrspi
M
J
penny problem: estimate dimensions for holding 1m pennies
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6
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4K
TchrWill
T
M
solving system of equations using augmented matrix
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1
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2K
stapel
stapel
C
need graph for polar eqn r = 6 - 4 sin theta
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2
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8K
soroban
S
B
Rhombus: find perimeter, given lengths of diagonals
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4
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2K
Mrspi
M
J
Desparatley need help graphing functions!
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1
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1K
skeeter
skeeter
A
problem on interpolation of gouraud shading
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0
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2K
agassy
A
L
Need the sum of a sequence? huh?
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1
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2K
tkhunny
tkhunny
T
Gr 10 geometry Help Please
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3
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3K
Mrspi
M
S
By what percentage is Area c bigger than Area b (Circles)
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2
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2K
Denis
D
D
Some help on Trig.. Pretty Please.
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6
Views
3K
tkhunny
tkhunny
S
Triangle: how to find other sides, given angles and one side
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1
Views
2K
soroban
S
H
Need... help with right triangle problem?
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3
Views
2K
sycho53
S
B
Kindly offer me help on trigonometry.
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3
Views
3K
soroban
S
T
[SPLIT] A bicyclist rode into the country for 5 hours...
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1
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2K
galactus
G
T
IS this correct: A bicyclist rode into the country for 5h...
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1
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2K
Denis
D
T
Solving a Geometry Application
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1
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2K
pka
pka
G
SAT question about area and volume
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5
Views
3K
garveym2
G
D
Lenny Conundrum Round 221: area of gold on coin
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2
Views
2K
TchrWill
T
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