4
A right square based pyramid.
No, but a square pyramid does.
The answer will depend on the area of the base, whether or not it is a right pyramid, and its height.
A trapezium or a triangle. If the pyramid is a right pyramid then they would both be isosceles.
A right, square based pyramid.A right, square based pyramid.A right, square based pyramid.A right, square based pyramid.
No angles are larger than 90 degrees in a square based pyramid.
If it is a right pyramid then four, otherwise one or none.
There are no right angles in a square based pyramid, so Pythagoras and his theorem are not involved.
Yes - it has four around the base !
4
Just the one and it is the base face
Oh, dude, another name for a square-based pyramid is a "pyramid with a square base." Like, it's literally in the name. It's not rocket science, just a pyramid chillin' on a square. So, yeah, square-based pyramid, that's the vibe.
Square-based pyramid.
Oh, dude, you're talking about a square pyramid! It's like a pyramid, but with a square base and four triangular faces. So, technically, it has 5 faces in total. Math can be fun, right?
A right square based pyramid.
Normally four but there could be six if the opposite edges at the apex met at right angles.