Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
L
IB-Why does 2 π/b=period?
Replies
6
Views
27K
Leah5467
L
B
Two Dimensional Geometry
Replies
5
Views
702
Otis
Otis
R
Area moment of inertia of irregular shape
Replies
2
Views
1K
rww88
R
A
Nice Circle
Replies
0
Views
492
Artyom
A
A
Area of Sector and Area of Triangle
Replies
8
Views
2K
Dr.Peterson
Dr.Peterson
B
find the equation for the diagonal BD
Replies
15
Views
4K
bumblebee123
B
E
Sin and Cos
Replies
6
Views
785
MarkFL
MarkFL
A
Circle Proof Help
Replies
3
Views
822
amp1053
A
B
calculate the perimeter of the polygon
Replies
1
Views
557
ksdhart2
K
S
Changing the radius of an arch so its length is the same, but its width is smaller
2
Replies
20
Views
2K
Dr.Peterson
Dr.Peterson
B
show that angle BAE = 90 degrees
Replies
11
Views
2K
Steven G
Steven G
D
what is the formula to calculate major arc length , ??
Replies
7
Views
2K
Otis
Otis
D
i dont even know how to start, i am confused , can someone explain me how to do it? question 5
Replies
18
Views
2K
dev644
D
K
Making a formula that finds the horizontal and vertical distance between two points that change with a new angle.
Replies
0
Views
478
Kizza23
K
B
calculate the size of angle PRQ
Replies
2
Views
2K
bumblebee123
B
K
Use graph of the function f(x)
Replies
4
Views
765
keerthivasanb
K
B
find the ratio of the area of the triangle ACD to the area of the triangle ABE
Replies
4
Views
1K
bumblebee123
B
L
IB-functions in real life application-golden ratio of rectangle
Replies
3
Views
723
Leah5467
L
S
Evaluating a trigonometric rational function
Replies
2
Views
548
Shawnster
S
M
Finding area of triangle inside triangle
Replies
16
Views
2K
Dr.Peterson
Dr.Peterson
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