4
a square based pyramid.
The tetrahedron has 4 equilateral triangles as its faces.
don't no
Tetrahedron or triangular pyramid.
A tetrahedron
sphere
The geometric shape that has 1 square face and 4 triangular faces is a pyramid. A pyramid also has five vertices and eight edges. The square acts as the base for the shape on which it sits.
There is no 3-d shape with 4 and 1 = 5 triangular faces.
A square based pyramid.
Square pyramid.
A face value in maths is the out-side of the shape, as to say the face of a shape. The face value is the sides of a shape.