Latest activity
-
Cchijioke replied to the thread Trigonometry problem.You mean that sign I indicated with green arrow is a sign of a right angle?
-
-
The Highlander replied to the thread Trigonometry problem.You know that ∠BAC is 90° because it is marked as such (in the original drawing). -
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...
-
-
BHi, 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)...
-
shahar replied to the thread areas in regular octagon.Thank you. Long time I haven't deal with geometry. -
Assuming that the overall shape forms a regular octagon, meaning all outer edges are equal in length, then the central square has side...
-
Cchijioke 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...
-
Kkhansaheb 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...
-
The Highlander replied to the thread areas in regular octagon.Assuming that the overall shape forms a regular octagon, meaning all outer edges are equal in length, then the central square has side...
-
-
shahar replied to the thread areas in regular octagon.Why does the purple area equals to yellow area? I see it but I don't understand how to prove it?
-
-
Kkhansaheb replied to the thread areas in regular octagon.Name the vertices
-
Kkhansaheb replied to the thread areas in regular octagon.Where is "the area [(2)] of the square area) "? What other information are given?
-
How Can I prove that the areas equal? (the striped trinagles' area [(1}] and - the area [(2)] of the square area) It came from a...
-
-
Dr.Peterson replied to the thread Trigonometry problem.Surely you know that the hypotenuse is opposite the right angle, and that in triangle ABC, the right angle is at A. Point R is... -
-
Cchijioke replied to the thread Trigonometry problem.I said it is wrong because when I am making reference to triangle ABC, I am seeing the hypotenuse as d because the right angle the...
-
