Yes.
true
A double house?.
Some triangles can be classified by only term, and some triangles fall into two overlapping, non-mutually-exclusive categories.
No. For it to be equilateral it can't be a right triangle.
All isosceles triangles are not equilateral triangles
You can build a house, different shapes, triangles, etc.
All isosceles triangles are not equilateral triangles
No
Yes.
your mom is the right triangles
No...
true
A double house?.
Some triangles can be classified by only term, and some triangles fall into two overlapping, non-mutually-exclusive categories.
No. For it to be equilateral it can't be a right triangle.
No, some early musical triangles were isosceles triangles, most modern musical triangles are equilateral.