Yes.
true
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 Not every triangle has to have one. Some triangles may be acute, meaning that none of their angles are over 90. Some triangles may be right, meaning that there is one right angle. Although some triangles may be obtuse, not all triangles are obtuse.
All isosceles triangles are not equilateral triangles
All isosceles triangles are not equilateral triangles
No
Yes.
your mom is the right triangles
No...
true
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.
Some, but not all. Triangles with 2 congruent sides are called isoceles triangles. Triangles with 3 congruent sides are called equilateral triangles.
no Not every triangle has to have one. Some triangles may be acute, meaning that none of their angles are over 90. Some triangles may be right, meaning that there is one right angle. Although some triangles may be obtuse, not all triangles are obtuse.