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K
khansaheb
reacted to
lookagain's post
in the thread
The post was effectively removed.
with
Like
.
The post was removed. There is no delete function as far as I can see.
Mar 28, 2026
L
lookagain
posted the thread
The post was effectively removed.
in
Math Odds & Ends
.
The post was removed. There is no delete function as far as I can see.
Mar 28, 2026
W
wbc
reacted to
lookagain's post
in the thread
Cross Section Length of a Pentagon
with
Wow
.
I would like you to stay on the topic with the expression that has the pair of parentheses removed: 1+sqrt(3)+sqrt(5)-sqrt(15)/sqrt(2)...
Mar 27, 2026
W
wbc
reacted to
lookagain's post
in the thread
Cross Section Length of a Pentagon
with
Wow
.
Actually, tfmcbride's expression is not ambiguous. In the expression (1+sqrt(3)+sqrt(5)-sqrt(15))/sqrt(2) , the first leftmost open...
Mar 27, 2026
K
khansaheb
reacted to
kurksai's post
in the thread
plastic tank
with
Like
.
Here is the quick math for this: Mass of the water: 0.18 m³ × 1000 kg/m³ = 180 kg. Total mass: 180 kg (water) + 66 kg (tank) =...
Mar 26, 2026
K
kurksai
replied to the thread
plastic tank
.
Here is the quick math for this: Mass of the water: 0.18 m³ × 1000 kg/m³ = 180 kg. Total mass: 180 kg (water) + 66 kg (tank) =...
Mar 26, 2026
G
greg1313
reacted to
lookagain's post
in the thread
Cross Section Length of a Pentagon
with
Like
.
I would like you to stay on the topic with the expression that has the pair of parentheses removed: 1+sqrt(3)+sqrt(5)-sqrt(15)/sqrt(2)...
Mar 25, 2026
G
greg1313
reacted to
lookagain's post
in the thread
Cross Section Length of a Pentagon
with
Like
.
Actually, tfmcbride's expression is not ambiguous. In the expression (1+sqrt(3)+sqrt(5)-sqrt(15))/sqrt(2) , the first leftmost open...
Mar 25, 2026
G
greg1313
reacted to
tfmcbride's post
in the thread
Cross Section Length of a Pentagon
with
Like
.
The value given above for the side of the largest pentagon in a unit cube is correct. The exact value is...
Mar 25, 2026
L
lookagain
replied to the thread
Cross Section Length of a Pentagon
.
I would like you to stay on the topic with the expression that has the pair of parentheses removed: 1+sqrt(3)+sqrt(5)-sqrt(15)/sqrt(2)...
Mar 24, 2026
The Highlander
replied to the thread
arc in circle
.
You may also find these videos on Circle Theorems and their proofs useful in your efforts... (NB: I suggest you click the (black) "Watch...
Mar 24, 2026
The Highlander
replied to the thread
Cross Section Length of a Pentagon
.
You're right, I simply didn't notice that pair of brackets after the "sqrt(15" which does, indeed, render their (his/her) expression...
Mar 24, 2026
The Highlander
replied to the thread
arc in circle
.
You may also find (exactly?) what you are looking for here... Geometric proofs in Hebrew?
Mar 24, 2026
The Highlander
replied to the thread
arc in circle
.
This video may help you... From "Google" (qv) there is the following advice:- A geometry proof is a logical, step-by-step argument...
Mar 24, 2026
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