There is no such thing as an isosceles rectangle.
Another name is its correct name: an isosceles triangle.
Isosceles
Isosceles.
Sides.
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.
an isosceles triangle
equilateral
An isosceles triangle.
isosceles
Isosceles
Isosceles.