20 Answered Questions

[SOLVED] The staircase paradox, or why $\pi\ne4$

8 Answered Questions

5 Answered Questions

[SOLVED] Finding an angle within an 80-80-20 isosceles triangle

  • 2010-10-16 11:52:03
  • Florian
  • 10383 View
  • 21 Score
  • 5 Answer
  • Tags:   geometry triangle

10 Answered Questions

[SOLVED] Is this Batman equation for real?

9 Answered Questions

[SOLVED] Different definitions of trigonometric functions

17 Answered Questions

7 Answered Questions

[SOLVED] Proof that Pi is constant (the same for all circles), without using limits

  • 2010-08-24 13:39:23
  • Chris Card
  • 17465 View
  • 54 Score
  • 7 Answer
  • Tags:   geometry pi

3 Answered Questions

17 Answered Questions

[SOLVED] Why is the volume of a sphere $\frac{4}{3}\pi r^3$?

7 Answered Questions

[SOLVED] How come $32.5 = 31.5$? (The "Missing Square" puzzle.)

6 Answered Questions

[SOLVED] why determinant is volume of parallelepiped in any dimensions

3 Answered Questions

5 Answered Questions

[SOLVED] Picking random points in the volume of sphere with uniform probability

  • 2011-12-01 02:27:29
  • MHK
  • 28658 View
  • 44 Score
  • 5 Answer
  • Tags:   geometry random

2 Answered Questions

[SOLVED] Converting triangles to isosceles, equilateral or right???

  • 2013-10-27 20:09:06
  • user098765
  • 3854 View
  • 2 Score
  • 2 Answer
  • Tags:   geometry

10 Answered Questions

[SOLVED] Is there an equation to describe regular polygons?

6 Answered Questions

24 Answered Questions

[SOLVED] Software for drawing geometry diagrams

9 Answered Questions

5 Answered Questions

[SOLVED] Determinant of transpose?

7 Answered Questions

6 Answered Questions

[SOLVED] Why does the volume of the unit sphere go to zero?

  • 2011-09-23 18:50:44
  • probabilityislogic
  • 6868 View
  • 41 Score
  • 6 Answer
  • Tags:   geometry limits volume

4 Answered Questions

[SOLVED] The locus of two perpendicular tangents to a given ellipse

13 Answered Questions

[SOLVED] Dot Product Intuition

1 Answered Questions

[SOLVED] Geometric meaning of the determinant of a matrix

9 Answered Questions

[SOLVED] Why does a circle enclose the largest area?

1 Answered Questions

3 Answered Questions

6 Answered Questions

[SOLVED] How to find an ellipse , given 2 passing points and the tangents at them?

12 Answered Questions

[SOLVED] Any smart ideas on finding the area of this shaded region?

10 Answered Questions

[SOLVED] How to prove $\cos \frac{2\pi }{5}=\frac{-1+\sqrt{5}}{4}$?