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The Highlander
replied to the thread
areas in regular octagon
.
Not a problem, I know English is not your native tongue (Hebrew, is I believe?) and that English is a very difficult language to master...
Mar 3, 2026
C
chijioke
replied to the thread
Trigonometry problem
.
I am now very cleared. Thank you so much.
Mar 3, 2026
shahar
replied to the thread
areas in regular octagon
.
Yes. I do my Math matriculation in 2000. So, Now as Adult I forgot many things. I tried to edit your message and to put in, but I very...
Mar 3, 2026
K
khansaheb
reacted to
The Highlander's post
in the thread
areas in regular octagon
with
Like
.
I'm afraid that is very poorly written out! ☹️ I'm doubtful if it would gain you anything close to full marks in a test but (I think)...
Mar 3, 2026
The Highlander
replied to the thread
areas in regular octagon
.
I'm afraid that is very poorly written out! ☹️ I'm doubtful if it would gain you anything close to full marks in a test but (I think)...
Mar 3, 2026
shahar
replied to the thread
areas in regular octagon
.
Yes. The first blank space is l^2 tbe -nd is 1/2 * l * l = (l^2)/2 s^2 = 2l^2 in the -rd is 1/2(4 * l^2) = 2l^2 now, Areas are equal.
Mar 3, 2026
The Highlander
replied to the thread
Trigonometry problem
.
Yes, that is the symbol for a right angle and, although the altitude appears to bisect the apex, it clearly does not (as seen by the...
Mar 3, 2026
C
chijioke
replied to the thread
Trigonometry problem
.
You mean that sign I indicated with green arrow is a sign of a right angle?
Mar 3, 2026
The Highlander
replied to the thread
Trigonometry problem
.
You know that ∠BAC is 90° because it is marked as such (in the original drawing).
Mar 3, 2026
The Highlander
replied to the thread
areas in regular octagon
.
So, have you completed the exercise? Please show us your working... (Laid out like this?) It is easily demonstrated that, by...
Mar 3, 2026
B
Billy_B
posted the thread
Circles and Sine Waves
in
Geometry and Trig
.
Hi, I’m a new user, so please be patient. I can find pics and animations of a rotating circle generating a sine wave using y=r sin (wt)...
Mar 3, 2026
shahar
replied to the thread
areas in regular octagon
.
Thank you. Long time I haven't deal with geometry.
Mar 3, 2026
shahar
reacted to
The Highlander's post
in the thread
areas in regular octagon
with
Like
.
Assuming that the overall shape forms a regular octagon, meaning all outer edges are equal in length, then the central square has side...
Mar 3, 2026
C
chijioke
replied to the thread
Trigonometry problem
.
Yes I fully understand now? But I still want to ask. How will one know that angle BAC is 90 degree? I am asking this question because I...
Mar 2, 2026
K
khansaheb
replied to the thread
areas in regular octagon
.
Please respond to the following questions: Assume each side of the octagon is L. What is the measure of "interior angle" of the octagon...
Mar 2, 2026
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