Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
L
surface are of a trapezoidal prism
Replies
1
Views
1K
Denis
D
1
regular triangular pyramid.
Replies
4
Views
4K
lookagain
L
C
fifth grade geometry
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2
Views
1K
soroban
S
K
verify trig identites
Replies
5
Views
1K
tkhunny
tkhunny
C
similar triangles-elementary
Replies
1
Views
1K
tkhunny
tkhunny
A
Rotating Points using a Matrix
Replies
4
Views
1K
Al Borland
A
C
3 sec ? tan ? - 4 csc ? cot ? = 0
Replies
1
Views
2K
mmm4444bot
mmm4444bot
C
tree diagrams and probability
Replies
1
Views
1K
tkhunny
tkhunny
Z
Some Circle type thing (Finding the Area)
Replies
4
Views
2K
Zombot
Z
G
Aeroplane: express the horizontal distance in terms of t
Replies
3
Views
2K
mmm4444bot
mmm4444bot
L
Simplifying trig expression using Identities
Replies
1
Views
1K
soroban
S
B
If AB=5y-4, BD=7y+3, AD=20y-9, find value of y
Replies
3
Views
2K
mmm4444bot
mmm4444bot
H
Some advanced precalculus questions
Replies
2
Views
2K
mmm4444bot
mmm4444bot
C
3cos^2(x)-sin^2(x)=0
Replies
2
Views
11K
Deleted member 4993
D
D
Geometry question please help :/
Replies
5
Views
5K
tkhunny
tkhunny
S
pls help with this trig: find value of pi in sin pi=cos(pi +
Replies
3
Views
2K
tkhunny
tkhunny
T
Volume of cylinders and cones
Replies
1
Views
1K
tkhunny
tkhunny
D
verifying a trig identity
Replies
1
Views
1K
Deleted member 4993
D
J
Sum to product and product to sum
Replies
2
Views
4K
Deleted member 4993
D
M
hexagon measurement
Replies
4
Views
2K
melidav
M
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