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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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Locked
Sticky
Read Before Posting!!
Ted
Feb 20, 2006
Replies
0
Views
31K
Feb 20, 2006
Ted
T
A
Please help with this: In triangle XYZ, side y is 8cm, side z is 5cm, and the measure of angle Y is 75 deg; find the length of side x
Andr6173
Saturday at 4:24 PM
Replies
2
Views
50
Today at 1:03 AM
The Highlander
N
Please help: On an athletic field, the length of one running track is exactly 400 meters. What is the distance between the front and back lines?
Nahool77
Wednesday at 8:29 PM
Replies
2
Views
163
Thursday at 2:11 AM
The Highlander
J
Compartive Pie Chart Question B: Work out the number of packs of vegan sausages that were sold in May 2019
Johnstone
Mar 11, 2024
Replies
1
Views
150
Mar 11, 2024
Dr.Peterson
S
help determining co-ordinates of offset points on a curve: need to find y dimension between flat horizontal and curved profile
Sparky2008
Mar 9, 2024
Replies
1
Views
123
Mar 11, 2024
Dr.Peterson
A
Help w/: How to find height, width and height from sidefaces on box in shape of rectangular prism
atrick
Mar 10, 2024
Replies
2
Views
111
Mar 11, 2024
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..."
NNikola
Mar 6, 2024
Replies
7
Views
208
Mar 9, 2024
Leonie17
L
Y
Area of plane figures: Find the angle of a sector whose arc length s 22cm and the area is 44cm
yinkus
Mar 5, 2024
Replies
4
Views
170
Mar 6, 2024
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....")
John Ode
Mar 4, 2024
Replies
4
Views
182
Mar 5, 2024
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.
Laia
Feb 29, 2024
Replies
2
Views
102
Mar 4, 2024
eipi45
E
M
Trying to find Sylvester's triangle problem proof
MathNugget
Mar 3, 2024
Replies
0
Views
127
Mar 3, 2024
MathNugget
M
L
Cuboid volume: Cuboid 8x9x9 has cuboid 3x6x6 cut out of it.
Laia
Feb 29, 2024
Replies
10
Views
298
Mar 2, 2024
khansaheb
K
L
Please explain me to understand the solution: Horizontal garden ABCD (trapezium) with AB parallel to DC
Laia
Feb 29, 2024
Replies
10
Views
265
Feb 29, 2024
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)
ptdi
Feb 28, 2024
Replies
3
Views
140
Feb 28, 2024
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
Laia
Feb 26, 2024
Replies
3
Views
197
Feb 26, 2024
Dr.Peterson
N
little circle at top right corner of a square
nanase
Feb 21, 2024
2
Replies
21
Views
602
Feb 23, 2024
The Highlander
H
if cotA + cotB + cotC = 0, then prove that ΣtanA)^2 = Σtan^2(A)
Huratio
Feb 22, 2024
Replies
7
Views
172
Feb 23, 2024
Huratio
H
K
video game math, need help writing iterative function (I think)
Kevin Finnerty
Feb 22, 2024
Replies
1
Views
112
Feb 22, 2024
lev888
Y
Modulus function: Solve |x - 4| - |x + 2| = 6 for x
Year12Star
Feb 21, 2024
Replies
1
Views
95
Feb 21, 2024
stapel
Y
Determine Cartesian equation for parametric equations x = 1 - sec(2t), y = 1 + tan(2t), pi/4 < t < 3pi/4
Year12Star
Feb 21, 2024
Replies
1
Views
78
Feb 21, 2024
stapel
Y
Solve 2 cos(2x + pi) < 1 for -pi <= x <= pi
Year12Star
Feb 21, 2024
Replies
1
Views
97
Feb 21, 2024
stapel
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