Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
S
Find the missing length in this shape
Replies
9
Views
1K
schicco
S
A
Spherical Cup Volume: red portion is filled volume, V = (pi/3)*(h^2)*[3r-h]
Replies
17
Views
7K
Dr.Peterson
Dr.Peterson
D
Cute triangle stuff!
Replies
1
Views
638
Dr.Peterson
Dr.Peterson
P
Pool Design Question: You have 88m of fence available...
Replies
1
Views
1K
tkhunny
tkhunny
J
How to measure this missing area? (replacing existing countertop)
Replies
5
Views
1K
mmm4444bot
mmm4444bot
I
Need help finding an equation (can't give more info: I'm patenting this)
Replies
7
Views
2K
mmm4444bot
mmm4444bot
I
What will be the graph if x=t and x=t²?
Replies
6
Views
1K
Harry_the_cat
Harry_the_cat
shahar
Why there is no mathematic law​ in pi representation?
Replies
5
Views
5K
mmm4444bot
mmm4444bot
R
One over?? What does 'one over' actually mean?
Replies
5
Views
1K
Rosslando
R
K
Help! man stands on ground 12m away from building which is 16m high. (+4 other Q's)
Replies
5
Views
1K
sinx
S
M
plane perpendicular to the planes 2x-y+z-3=0 and -x+3z-2=0
Replies
4
Views
1K
pka
pka
M
linear programming: sales quotas for 2 new insurance products
Replies
2
Views
878
Max12345
M
R
Euler's formula and its connection to the De Moivre's formula
Replies
5
Views
1K
rtk
R
U
Combinations: A woman has 11 close friends, and wants to invite some for dinner.
Replies
3
Views
4K
pka
pka
R
Can someone explain this cosine concept? "Find local max/min of y = x + 2sin(x)"
Replies
4
Views
1K
mmm4444bot
mmm4444bot
J
tangent to a circle: How do I draw this from the textual description?
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
R
If m(RST) = 12x-1, m(RSU) = 9x-15, m(UST) = 53, find measures (all in degrees)
Replies
4
Views
9K
Ryan Rigdon
R
I
Could you simplify calculation? position vector is r=(a cos(wt))i + (a sin(wt))j
Replies
3
Views
2K
Dr.Peterson
Dr.Peterson
shahar
similar triangle: parabola w/ focus F, tangents at A, B meet at S
Replies
5
Views
1K
yma16
Y
K
Solve triangle, given angle A=97.77 deg, incircle radius r=3.58, area S=97.48
Replies
5
Views
1K
kristjan
K
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