Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
S
How to calculate the distance from center to sides.
Replies
2
Views
1K
yma16
Y
D
Help finding the diameter of a sphere based on a small section
Replies
2
Views
963
dibble
D
W
How to find angle beta in drawing, given BAC is right, AB = AC, BC = CD
Replies
1
Views
925
Dr.Peterson
Dr.Peterson
E
Elliptical frustum's height? Vol. is V=(1/3)*pi*{(a*b)*(bh/b-d) - (c*d)*[(bh/b-d)-h]}
Replies
6
Views
2K
eimimitu
E
P
Pyramids: two perpendicular lateral face and are equilateral triangle
Replies
3
Views
3K
Dr.Peterson
Dr.Peterson
C
need some help with trig function: 4 sin(a + pi/6) cos(a - pi/6)
Replies
3
Views
1K
stapel
stapel
S
Trig: A triangle has a side of length 1, a side of length 4 and an angle of 30◦
Replies
2
Views
2K
Dr.Peterson
Dr.Peterson
H
Find all angles
Replies
19
Views
6K
happiness
H
S
Need help with 2 questions: area of pond, gallons of water; number of truck-loads
Replies
3
Views
2K
stapel
stapel
B
If a Diagonal is drawn on each side of a Cube, how many different patterns possible?
Replies
2
Views
3K
barrick
B
Z
Volume of Irregular Shape Cylindrical Tank
Replies
1
Views
861
Zeeshan.Arain
Z
C
Angle Problem: Steel table made with 2.5 inch square tube
Replies
2
Views
1K
Cody
C
S
Help with basic geometery problem
Replies
5
Views
3K
stapel
stapel
I
Does right angle (90 degree) include 'Positive and Negative angles''?
Replies
4
Views
928
lev888
lev888
A
Formulas Involving Nested Radicals - Trig: (sqrt(2) - sqrt(6))/4 = (-2sqrt(2-sqrt(3))
Replies
7
Views
3K
stapel
stapel
A
Help (proving quadrilateral is a parallelogram).
Replies
4
Views
1K
yma16
Y
B
Volumetric Displacement Question (3,000 barrels of toxic chemicals)
Replies
4
Views
3K
Deleted member 4993
D
M
Looking easy but hard question on geometry
Replies
15
Views
5K
Dr.Peterson
Dr.Peterson
N
Vectors: Magnitude of forces acing on stable object: A = 800kN, B = 650kN, so C = ?
Replies
7
Views
2K
NAC54321
N
S
Need help with a problem: arcsin(x-1/2)-arccos(x-1/2)=3pi/2
Replies
6
Views
3K
starkiller
S
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