Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
C
Ellipse in Cartesian and Polar coordinates: x=2*cos(theta), y=1*sin(theta)
Replies
2
Views
2K
ChazAshley
C
S
Identifying Diameter of a Ring of Circles within a ring of Circles.
Replies
0
Views
909
Stuart Davies
S
S
Coordinate Geometry ( ͡° ͜ʖ ͡°): ABC is a triangle. A= (1,6) B= (-4,3) and C=(-2,1)
Replies
2
Views
2K
stapel
stapel
H
I cant find the scale factor of this sphere
Replies
1
Views
1K
stapel
stapel
S
SAT practice math problem: 2 iso. triangles shown; if x=z+y and y=x/5, then find x
Replies
1
Views
1K
mmm4444bot
mmm4444bot
K
Just need a starting point: One side of rhombus is y=2x, two opposite vertices...
Replies
11
Views
4K
Kitimbo
K
K
straight line joining feet of perpendiculars from (1,1) to 3x-3y-4=0 and 3x+y-6=0
Replies
2
Views
2K
Kitimbo
K
H
Surface Area with Composite Solids
Replies
2
Views
1K
HallsofIvy
H
K
Just want to understand: How can I prove given points are vertices of parallelogram?
Replies
3
Views
1K
Harry_the_cat
Harry_the_cat
K
Never heard of it: Find the coordinates of the foot of the perpendicular from (4,-2)
Replies
2
Views
1K
stapel
stapel
K
I need help: The points ABC have coordinates (7,0),(3,-3),(-3,3) respectively....
Replies
2
Views
1K
mmm4444bot
mmm4444bot
C
Need help finding the right formula
Replies
3
Views
2K
cod8smith
C
J
Finding points on parallel arcs
Replies
3
Views
1K
HallsofIvy
H
S
Simple middle school Parallelogram problem
Replies
2
Views
1K
Selby8
S
K
Coordinate geometry: L(-1,0),M(3,7),N(5,-2) are the midpoints of the sides BC,CA,AB
Replies
2
Views
1K
mmm4444bot
mmm4444bot
K
Am stuck on this question from first chapter of pure math by backhouse
Replies
1
Views
938
MarkFL
MarkFL
T
Given the Rectangle ABCD. Point E is located on AB such that AE = 2EB, Point Z is the
Replies
3
Views
2K
MarkFL
MarkFL
J
Rotation Formula
Replies
1
Views
1K
Deleted member 4993
D
H
graph of sin(90-x): Desmos calculator returns wrong graph...?
Replies
2
Views
2K
MarkFL
MarkFL
K
find the circumcentre of the triangle with vertices (-3,0),(7,0),(9,-6)...
Replies
0
Views
1K
Kitimbo
K
You must log in or register to post here.
Top