Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
K
finding angle alpha in quadrilateral ABCD (please see picture)
Replies
9
Views
2K
Dr.Peterson
Dr.Peterson
M
Real World Lifting Problem: path of 4000mm cable
Replies
3
Views
961
mmilez912
M
T
Find x where sin(x) gives the same result when expressed in radians or degrees.
Replies
2
Views
816
Bob Brown MSEE
B
A
Help! Finding a set of percentages based on bisecting a cylinder?
Replies
3
Views
897
agibberjabber
A
K
distance on diagonal of equal sides parallelogram: DF = 2 cm BE = 4 cm find AC
Replies
2
Views
920
Dr.Peterson
Dr.Peterson
B
true/false question: If f is odd, with period p, then ​f(-t + 2p) = f(t).
Replies
1
Views
3K
pka
pka
S
Finding the coordinates of triangle vertices given midsegment
Replies
3
Views
1K
Deleted member 4993
D
I
Skyscraper: difference in width of base, top floor, using plumb lines & Earth's diam.
Replies
7
Views
2K
stapel
stapel
O
Factor of safety in operation: angles, bolts, tensile strength
Replies
2
Views
4K
Beasty729
B
shahar
symetric line: Is the line in the picture is line of Symmetry of Rectangle?
Replies
3
Views
2K
Dr.Peterson
Dr.Peterson
L
iGCSE: A,B,D,E on circle centered at O; AFBC,OEC,OFD are straight lines
Replies
1
Views
4K
Dr.Peterson
Dr.Peterson
K
Rise over Run: building ramps to fit truck into garage of same length
Replies
4
Views
7K
Dr.Peterson
Dr.Peterson
E
Calculating tension for mass on incline slope
Replies
7
Views
2K
sinx
S
M
[High School Geometry] Circle w/ center "this" pt, vertex as endpt would circumscribe
Replies
6
Views
2K
pka
pka
A
Find ratio of areas of parallelograms: parallelogram ABCD; P midpoint of AB, Q of BC,
Replies
4
Views
2K
Azazello
A
T
32 Fundemental Identites: please help w/ 1 over cos(90-x)
Replies
4
Views
972
Deleted member 4993
D
T
Equilateral triangle, perimeter and area? idk what to call this
Replies
5
Views
2K
Azazello
A
F
Representing a view of a 3D sphere as a 2D circle?
Replies
3
Views
4K
j-astron
J
T
Reading nomogram (needed to adjust my truck roof air deflector)
Replies
4
Views
1K
Trilis
T
A
semi circle problem: square inside has area 36 cm^2; find radius of semi-circle
Replies
11
Views
3K
pka
pka
You must log in or register to post here.
Top