orthocenter
No. But all isosceles triangles and equilateral triangles are.
tri as in 3 angles as in the ends . He's right but i wil explain more. Equilateral triangles get there name from all sides being equal hence the name equilateral. Right triangles get there name from having a right angle, or ninety degree angle. I don't know about iscoceles.
A tetrahedron
Yes. But not all isosceles triangles are equilateral.
orthocenter
All isosceles triangles are not equilateral triangles
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
No. But all isosceles triangles and equilateral triangles are.
All isosceles triangles are not equilateral triangles
degree dumb as
tri as in 3 angles as in the ends . He's right but i wil explain more. Equilateral triangles get there name from all sides being equal hence the name equilateral. Right triangles get there name from having a right angle, or ninety degree angle. I don't know about iscoceles.
yes. all triangles.
It's the circumcenter.
A tetrahedron
Tetrahedron
Yes. But not all isosceles triangles are equilateral.