A square based pyramid has 12 angles
One
4
No, but a square pyramid does.
It's has all acute angles
A square pyramid has 16 angles.
A square based pyramid has 12 angles
5 angle in a square pyramid
20 angles
5 angles
One
No angles are larger than 90 degrees in a square based pyramid.
4
No, but a square pyramid does.
It's has all acute angles
angels are a fictional creature. you mean angles.
Just the one and it is the base face