An isosceles triangle.
No, it has no even sides or angles.
It is not an axiom, but a theorem.
scalene has 3 different length sides.
Equilateral
A triangle.
scalene triangle
An equilateral triangle
If all three sides of a triangle have the same length, we call that triangle an "equilateral triangle".
It is an isosceles triangle that has two equal sides
An isosceles triangle is a triangle with 2 of it's sides even. An equilateral triangle has all even sides.
When all three sides of a triangle are congruent, it is called an equilateral triangle.
Equilateral triangle
A scalene triangle
An isosceles triangle.
An equilateral triangle
a scalene triangle