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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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C
Find the height of the building ("Fig. 17.13 shows a boy sitting on a platform 7.5m high...")
chijioke
May 5, 2023
Replies
2
Views
523
May 5, 2023
chijioke
C
L
Please help with geometry homework (prisms)
Lugo
May 5, 2023
Replies
5
Views
414
May 5, 2023
The Highlander
C
How to define the height of some triangles
chijioke
Apr 24, 2023
Replies
11
Views
405
May 2, 2023
Dr.Peterson
I
Volume of sand of a slope inside a circle
imprisonedpride
Apr 29, 2023
Replies
2
Views
301
May 1, 2023
Dr.Peterson
A
Intersection of two known triangles: planet Mercury and Egyptian pyramid
Ahatmose
May 1, 2023
Replies
4
Views
387
May 1, 2023
Ahatmose
A
U
Cyclic Quad: How to prove the figure in the graphic is a cyclic quadrilateral?
urimagic
Apr 30, 2023
Replies
9
Views
419
Apr 30, 2023
urimagic
U
C
How many kilograms of sugar will the bigger one hold?
chijioke
Apr 19, 2023
2
Replies
31
Views
1K
Apr 28, 2023
The Highlander
M
Finding the Angle
Moonglum
Apr 20, 2023
Replies
4
Views
240
Apr 26, 2023
Moonglum
M
S
Calculating intersection of arc and line
SpencerW
Apr 22, 2023
Replies
2
Views
220
Apr 26, 2023
SpencerW
S
O
Two-Column Proof: Given: Segment AB=x+16, Segment BC=4x+11, Segment AC=77; Prove: AB=26
ostennev
Apr 24, 2023
Replies
2
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349
Apr 25, 2023
blamocur
R
Medieval Pierced Panel Geometry Problem. (create a model from just outer radius)
Rob Edwards
Apr 24, 2023
Replies
6
Views
314
Apr 24, 2023
Rob Edwards
R
C
How many litres of paraffin will a similar drum 30 cm high hold?
chijioke
Apr 19, 2023
2
Replies
20
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701
Apr 23, 2023
The Highlander
tangent question: What is value of 1/tan(pi*x) when x = 1/2? Is it 0?
Harry_the_cat
Apr 14, 2023
Replies
16
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630
Apr 21, 2023
Dr.Peterson
U
First quadrant? They give sqrt{13}*sin(x) + 3 = 0, where 0 degrees < x < 90 degrees
urimagic
Apr 20, 2023
Replies
5
Views
310
Apr 21, 2023
urimagic
U
B
How to draw a plane intersecting a cylinder at a "compound angle"
Bor
Apr 21, 2023
Replies
0
Views
145
Apr 21, 2023
Bor
B
C
How do I find the area of this parallelogram? (lateral side 9cm, bases 12cm, angle 73*)
chijioke
Apr 17, 2023
2
Replies
31
Views
1K
Apr 20, 2023
Steven G
U
Manipulation: How does [3p (sqrtl{2}/2) (cos(x) + sin(x))] / sin(x) become [3p (cos(x) + sin(x))] / [sqrt{2} sin(x)] ?
urimagic
Apr 20, 2023
Replies
2
Views
285
Apr 20, 2023
urimagic
U
A
Finding a radius to a line with two known points
Ahatmose
Apr 17, 2023
Replies
5
Views
263
Apr 18, 2023
Ahatmose
A
U
Trig LCD: how did it go from sin(24*)cos(24*) to (1/2)sin(48*)?
urimagic
Apr 18, 2023
Replies
3
Views
384
Apr 18, 2023
Steven G
P
Trig Help: int [sin^3(x) cos^2(x)] dx
PA3040D
Apr 17, 2023
Replies
3
Views
330
Apr 18, 2023
PA3040D
P
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