yes a triangle is a solid figure
Triangular based pyramid
triangular cone
triangular prism
a triangular prism.
A triangular pyramid is a tetrahedron, or a solid three-dimensional figure made up of four triangular faces.
A Triangular Pyramid
It is a pyramid
Triangular based pyramid
Triangular prism.
a triangular prism!
triangular cone
triangular pyramid
Triangular Prism
A triangular prism
triangular prism
triangular prism
A triangular prism.