How come the diagonal of a right triangle is not the same as the total distance of the adjacent and opposite leg?
2786
The staircase paradox, or why $\pi\ne4$
76163
Math.cos() gives wrong result
116283
How to properly interpret a seemingly contradictory result in Mathematica?
69800
Construction of a right triangle
62826
The concurrence of angle bisector, median, and altitude in an acute triangle
60722
Why does Cantor's diagonal argument not work for rational numbers?
85
Difference between $\Delta$, $d$ and $\delta$
70968
How do CSS triangles work?
20739
Can I put \fbox along the diagonal so that they touch each other?
20583
Strange distance measurements in distance matrix
89047
If a matrix is triangular, is there a quicker way to tell if it is can be diagonalized?
24419
Why area of a triangle is negative based on naming order?
105885
Why are triangles drawn like so when working with gravity on an inclined plane?
48339
A triangle with vertices on the sides of a square, with one at a midpoint, cannot be equilateral
68968
Math.cos inaccurancy
57700
Aligning Vertices Diagonally
93170
Find the side of an equilateral triangle given only the distance of an arbitrary point to its vertices