Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
R
Area of a curved shell ring
2
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23
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6K
rww88
R
J
Challenge: There is a number 3 cut out from a cardboard....
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4
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2K
mmm4444bot
mmm4444bot
S
Trigo: A regular heptagon is inscribed in a circle with center O.
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1
Views
1K
Deleted member 4993
D
S
IF A+B+C=PI and sin A=(sin B+sin C)/2, prove the cot B/2 *cot C/2=3
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2
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1K
SKY KEUNG
S
D
Help please w/ programming a CNC machine
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5
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2K
djvass
D
G
Question says simplify cosec x + cot x
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6
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13K
godfreyjh
G
I
[Geometry] Need help with straightedge only constructions.
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2
Views
6K
ieatStairs
I
Z
How to find angle "a" on this shape?
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5
Views
2K
zemoddd
Z
D
Questions about trapezoid and parallelograms
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1
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2K
mmm4444bot
mmm4444bot
G
need help finding missing coordinate: circle w/ eqn x^2+y^2=100, chord at (0,-10),...
Replies
5
Views
2K
mmm4444bot
mmm4444bot
S
please help solve: isosceles triangle ABC, right angled at B, w/ square inscribed
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6
Views
3K
Bob Brown MSEE
B
K
Ellipse centered in focis with axis inclination
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2
Views
2K
kepler
K
T
Trig:How do deal with absolute value of trigonometric functions
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1
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3K
ksdhart2
K
R
Triangle in a Circle w/ area 1891.59sq mtrs
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2
Views
2K
stapel
stapel
J
Geometry of the parabola Chord of ContactFurther theorems
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1
Views
1K
Jeane
J
T
Trig equation: cos(3π/2−2x)+sin(π−3x)=sin(3x)−cos(x)
Replies
10
Views
4K
ksdhart2
K
J
Geometry of parabola Chord of Contact: Let T(2at,at^2) be any point on parab. x^2=2ay
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0
Views
1K
Jeane
J
A
College level trig: what is the 30' part of Tan 62 degrees 30' ?
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10
Views
6K
mmm4444bot
mmm4444bot
C
quadrilateral missing sides
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2
Views
1K
clarkymk
C
N
Trigo, help pls: 2sin^2 (5x/2) + 4sin^2 (x/2)=3+cosx
Replies
3
Views
1K
mmm4444bot
mmm4444bot
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