a pyramid, in the sense that most people think of has a square base, with 4 triangle 'sides', which would be 5 faces. A regular tetrahedron has 4 equilateral triangles as faces.
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an equalatural triangle is a triangle ( 3 sided figure) that has all equal sides.
I Am pretty sure it's a triangle(: No it's not a triangle has 3 sides i think its a trapezoid.
A triangle with no equal sides is called a Scalene Triangle.
There are infinitely many possible options. Any polygon can have two equal sides. For example, an isosceles triangle.
A triangle has 3 sides. A regular triangle has all EQUAL sides. An isosceles triangle has 2 EQUAL sides. A scalene triangle has NO equal sides. Equal = parallel..basically equal and parallel are the same thing, in this conversation.