Yes. But not all isosceles triangles are equilateral.
no
Triangles are equilateral triangles only when all of their 3 sides are equal in lengths.
Yes.
Scalene triangles are polygons like all triangles. The lengths of the sides of scalene triangle are all different.
what is semmetrical?
All isosceles triangles are not equilateral triangles
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
All isosceles triangles are not equilateral triangles
yes. all triangles.
Yes. But not all isosceles triangles are equilateral.
What is the names of all the triangles?
No. Only right triangles do, and not all triangles can be right triangles. Equilateral triangles, for example, are always 60°-60°-60°. Isosceles and scalene triangles can be right triangles; all isosceles triangles have the additional useful property of being able to be split into two right triangles.
no
The set of all triangles, probably.
because all triangles can be drawn with a compass
Triangles are equilateral triangles only when all of their 3 sides are equal in lengths.