False
False
false
No. A polyhedron is a three dimensional body. The base of a pyramid is a two dimensional figure.But any non self-intersecting polygon can be the base of a pyramid.
False.
It is false. If it has a triangle as its base it would be a pyramid.
False...
false
False
false
This height is called the altitude. It is the amount of distance between the object and the surface of water.
False because the area of a trapezoid is: 0.5*(sum of its parallel sides)*height
False
False
false, height is a polygenic trait
false
false
No. A polyhedron is a three dimensional body. The base of a pyramid is a two dimensional figure.But any non self-intersecting polygon can be the base of a pyramid.