An isosceles triangle can also be referred to as a "isosceles" triangle, which specifically denotes that it has at least two sides of equal length. In some contexts, it may simply be called a "two-sided triangle," but this terminology is less common. The key characteristic of an isosceles triangle is its two equal sides and the angles opposite those sides being equal.
There is no such thing as an isosceles rectangle.
Another name is its correct name: an isosceles triangle.
Sides.
Isosceles.
Isosceles
There is no such thing as an isosceles rectangle.
Isosceles mean having two sides of equal length.
It could be an isosceles triangle, an isosceles trapezium, or miscellaneous polygons with no special name.
The third angle of an isosceles triangle doesn't have a name.
The two equal length sides of an isosceles triangle are the legs.
Another name is its correct name: an isosceles triangle.
Sides.
equilateral
Isosceles.
An isosceles triangle.
Isosceles
an isosceles triangle