Aeshna isoceles was created in 1767.
An isoceles triangle has 2 sides of equal length
yes
Isoceles and Esperanza - 2006 was released on: USA: 12 September 2006 (internet)
No
Yes.
At least 2. (If all 3 sides are congruent it's equallateral, but can still be called isoceles)
as scalene, equilateral and isoceles.
5
isoceles
Yes
Yes they are. Basically you can think of an isoceles trapezoid as an isoceles triangle with the top cut off parallel with the base.
Isoceles triangles are characterized by 2 sides that are equal in length. Consequently 2 of the interior angles of the triangle will also be equal.