Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
D
Primary Trigonometric Ratios: label "opposite", "adjacent" sides; find ratios from labeled triangle
Replies
6
Views
1K
khansaheb
K
K
Help with Math Work pls: area, perimeter of shaded portion of nested circles; arc lengths; shaded area of triangle
Replies
3
Views
840
The Highlander
The Highlander
J
Trig identities and differentiation: I differentiated (cos(3x))^2 and got -6cos(3x)sin(3x) but answer key says -3cos(6x)
Replies
7
Views
1K
The Highlander
The Highlander
K
Trig Grade 11 Question
Replies
2
Views
766
katec28
K
J
Net(s) of a triangular prisms
Replies
2
Views
1K
Dr.Peterson
Dr.Peterson
R
Home entry ramp slope
Replies
7
Views
2K
Rif
R
L
Fitting 1 cm^2 rectangle with the highest possible aspect ratio inside a 20mm x 15mm rectangle
Replies
3
Views
879
Dr.Peterson
Dr.Peterson
C
Percentage Flat Roof Calculation Help Needed
Replies
3
Views
869
Clive35
C
J
Rotating one square within another square (not homework!)
Replies
1
Views
830
mario99
M
K
How to start this question?
2
Replies
37
Views
5K
Dr.Peterson
Dr.Peterson
T
an ellipse problem
Replies
3
Views
760
khansaheb
K
A
Determining the height of two overlapping right angled triangles
Replies
3
Views
901
lev888
lev888
J
How many glasses with a base of 68 mm will fit the tray of 28 x 42 cm
Replies
15
Views
2K
The Highlander
The Highlander
E
Hey i have to solve this please help
Replies
0
Views
395
Elliegelii
E
B
Inscribed Circles And A Right Triangle
Replies
0
Views
464
Broomz
B
G
Law of Sines problem seemingly without enough info.
Replies
4
Views
1K
Dr.Peterson
Dr.Peterson
P
Fill in the gaps
Replies
0
Views
427
Pillow12
P
B
Frequency in a FM equation
Replies
0
Views
420
Bluebobber
B
J
projection of a perpendicular
Replies
9
Views
3K
Dr.Peterson
Dr.Peterson
J
Meaning and concept of space
Replies
8
Views
2K
fresh_42
F
You must log in or register to post here.
Top