Stress... With a dome, the stresses in the materials caused by the weight of the dome are evenly spread through the whole structure. With a pyramid, the stresses would be 'concentrated' at the corner joints.
A pyramid is triangular shaped.
Four.
A triangular pyramid has one apex. The apex of a pyramid is its pointed tip on top. A triangular pyramid has four faces and a triangle-shaped base.
The Egyptian Pyramid that was made out of sand and stone. Look at a 3D image of that on Google, bing,yahoo, or other resources.
a triangular pyramid has six edges and four triangular shaped faces
Pyramid shaped... like triangular but the bottom has a square base and at the top it meets at a point.
A triangular pyramid is a 3-dimensional geometric figure that has 5 sides. Four triangle shaped sides that are connected to one square shaped based. * * * * * If it has a square shaped base then it is a square based pyramid! A triangular pyramid has 4 faces. It is also called a tetrahedron.
The faces are the flat, triangle-shaped surfaces that make up the surface of the pyramid. A pyramid has four faces.
A square based pyramid nearly meets the requirements - except that it is not "triangular shaped" as required by the question.
a pyramid
Small Triangular shaped pyramids are used in super markets and malls to give them strong support!
Four sides of a pyramid are triangular-shaped, meaning they have three sides. The fifth side is square-shaped, meaning it's four-sided.