Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
S
help determining co-ordinates of offset points on a curve: need to find y dimension between flat horizontal and curved profile
Replies
1
Views
766
Dr.Peterson
Dr.Peterson
A
Help w/: How to find height, width and height from sidefaces on box in shape of rectangular prism
Replies
2
Views
852
Dr.Peterson
Dr.Peterson
N
Please help: "The base of the pyramid is a square with a side length of 2√3, and the height of the pyramid is 3cm, with its apex..."
Replies
7
Views
2K
Leonie17
L
Y
Area of plane figures: Find the angle of a sector whose arc length s 22cm and the area is 44cm
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4
Views
947
The Highlander
The Highlander
J
Find the value of x-y of the given shape ("In the diagram, CD = CE = 30 and F is the midpoint of CE....")
Replies
4
Views
1K
John Ode
J
L
Please explain me to understand solution: A ship starts at point A and sails 5 km on a bearing of 135 degrees to point B.
Replies
2
Views
718
eipi45
E
M
Trying to find Sylvester's triangle problem proof
Replies
0
Views
714
MathNugget
M
L
Cuboid volume: Cuboid 8x9x9 has cuboid 3x6x6 cut out of it.
Replies
10
Views
1K
khansaheb
K
L
Please explain me to understand the solution: Horizontal garden ABCD (trapezium) with AB parallel to DC
Replies
10
Views
2K
Laia
L
P
I need help with a geometry problem. S 1,2,3,4 refers to the area, nothing else is known, only that ABC is a triangle. solve for S4 (The red area)
Replies
3
Views
998
The Highlander
The Highlander
L
Finding radius: A,B,C are points on circle with centre O, <AOC = 118*, BA = BC; shaded area is 70 sq cm
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
N
little circle at top right corner of a square
2
Replies
21
Views
4K
The Highlander
The Highlander
H
if cotA + cotB + cotC = 0, then prove that ΣtanA)^2 = Σtan^2(A)
Replies
7
Views
1K
Huratio
H
K
video game math, need help writing iterative function (I think)
Replies
1
Views
573
lev888
lev888
Y
Modulus function: Solve |x - 4| - |x + 2| = 6 for x
Replies
1
Views
590
stapel
stapel
Y
Determine Cartesian equation for parametric equations x = 1 - sec(2t), y = 1 + tan(2t), pi/4 < t < 3pi/4
Replies
1
Views
571
stapel
stapel
Y
Solve 2 cos(2x + pi) < 1 for -pi <= x <= pi
Replies
1
Views
631
stapel
stapel
C
How do I find the radius of the circle? (An isosceles triangle ABC has its vertices on a circle....)
2
Replies
35
Views
5K
Dr.Peterson
Dr.Peterson
C
Find the ratio x:y. (lengths of sides in geometric figure)
2
Replies
22
Views
4K
The Highlander
The Highlander
C
Calculate |NR|. (problem with geometrical ratios)
Replies
4
Views
1K
chijioke
C
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