Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
C
Geomenty Assistance
Replies
1
Views
1K
Dr.Peterson
Dr.Peterson
Y
Pre-U Vector Question
Replies
2
Views
1K
Yoshimineb
Y
M
In triangle ABC, the measure of angle BAC is 120, AC = 2AB, M is the midpoint of BC
Replies
1
Views
1K
stapel
stapel
S
Expand expression sen(2pi/3)-cos (2pi/3) to get 2sen(pi/3)cos(pi/3)-1+2sen^2 (pi/3)
Replies
2
Views
1K
schools and math
S
B
Simplify trig expressions: cos-1(cos(47pi/12), arcsin(tan(-pi/6)), csc-1(cos(2017pi/2
Replies
2
Views
1K
mmm4444bot
mmm4444bot
T
Solving Pythagoras Theorem eqn a^2 + (1.3a)^2 = c^2 for "a": possible?
Replies
3
Views
1K
tfield98
T
B
Given five drawn shapes in a sequence, infer the next shape...?
Replies
7
Views
6K
mmm4444bot
mmm4444bot
E
Point of the tangente is moving, what happens ...
Replies
3
Views
2K
enoimreh7
E
J
What fraction of each of the squares is shaded? (from test for 12-13-year-olds)
Replies
2
Views
2K
Bob Brown MSEE
B
S
Moving a Triangles Center of Dilation
Replies
6
Views
2K
tkhunny
tkhunny
R
If a circle has twice the diameter, is it twice as large or 4 times as large
Replies
3
Views
5K
Dr.Peterson
Dr.Peterson
C
Trig equation: Find all soln's of 2cos(theta)+1=0 on the interval [0,2pi)
Replies
2
Views
2K
clossan88
C
W
Triangle ABC, AB=50, AC=10, area 120; D midpt of AB, E midpt of AC; angle bisector...
Replies
3
Views
5K
wellskyw
W
K
Distance From a Plane To A Point, with projections help (finding distance in 3D)
Replies
1
Views
1K
stapel
stapel
F
Vectors: plane speed 300mph relative to air. Wind blowing due north 30mph. What dir?
Replies
3
Views
3K
stapel
stapel
R
How to find angle x marked in red? (bearings from Point X to pts R, S which are...)
Replies
3
Views
2K
richiesmasher
R
M
Oil spill is 6 cubic meters, thickness is 0,002 cu meters. How many kilometers is it?
Replies
4
Views
2K
Dr.Peterson
Dr.Peterson
R
Find missing angles In pentagon ABCDE and angle ABC=angle BCD=CDE
Replies
10
Views
12K
richiesmasher
R
Y
Pre-U Vector Question: Line has equation r = 9i − j + 8k + λ(3i − j + 2k)
Replies
2
Views
3K
Yoshimineb
Y
M
Special Right Trinagle: "...Clay Ave, Rt 35 are straight, perp. to each other."
Replies
11
Views
6K
mmm4444bot
mmm4444bot
You must log in or register to post here.
Top