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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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M
Trying to find Sylvester's triangle problem proof
MathNugget
Mar 3, 2024
Replies
0
Views
166
Mar 3, 2024
MathNugget
M
L
Cuboid volume: Cuboid 8x9x9 has cuboid 3x6x6 cut out of it.
Laia
Feb 29, 2024
Replies
10
Views
334
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
297
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
163
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
236
Feb 26, 2024
Dr.Peterson
N
little circle at top right corner of a square
nanase
Feb 21, 2024
2
Replies
21
Views
675
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
214
Feb 23, 2024
Huratio
H
K
video game math, need help writing iterative function (I think)
Kevin Finnerty
Feb 22, 2024
Replies
1
Views
142
Feb 22, 2024
lev888
Y
Modulus function: Solve |x - 4| - |x + 2| = 6 for x
Year12Star
Feb 21, 2024
Replies
1
Views
114
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
95
Feb 21, 2024
stapel
Y
Solve 2 cos(2x + pi) < 1 for -pi <= x <= pi
Year12Star
Feb 21, 2024
Replies
1
Views
118
Feb 21, 2024
stapel
C
How do I find the radius of the circle? (An isosceles triangle ABC has its vertices on a circle....)
chijioke
Aug 19, 2023
2
Replies
35
Views
1K
Feb 20, 2024
Dr.Peterson
C
Find the ratio x:y. (lengths of sides in geometric figure)
chijioke
Jan 30, 2024
2
Replies
22
Views
839
Feb 20, 2024
The Highlander
C
Calculate |NR|. (problem with geometrical ratios)
chijioke
Feb 7, 2024
Replies
4
Views
322
Feb 19, 2024
chijioke
C
P
Polygons inscribed in a circle: Let there be an equilateral triangle inscribed in a circle and the measure of the sides...
prince mike
Feb 14, 2024
Replies
13
Views
477
Feb 19, 2024
prince mike
P
Z
Acute-angle relations: IF sin(x) = tan(y); for acute angles x and y, how are the angles related? (multiple-choice)
Zelda22
Feb 17, 2024
Replies
6
Views
354
Feb 19, 2024
blamocur
Superposition theorem (i've done what i believe is correct to work out current at each resistors but im not sure its correct)
Scott92
Feb 17, 2024
Replies
4
Views
312
Feb 17, 2024
Scott92
I
Calculating a volume of an object using ratio (ratios given for slopes on parts of ramp construction)
Indraenk
Feb 5, 2024
Replies
3
Views
277
Feb 14, 2024
khansaheb
K
L
Can someone instruct me to find the area of the shaded triangle ?
Laia
Feb 12, 2024
Replies
10
Views
347
Feb 12, 2024
Laia
L
How do you find what the function of a sine wave graph is
Scott92
Feb 10, 2024
Replies
12
Views
501
Feb 11, 2024
Scott92
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