a prime square
A CUBE
The mathematical term 'perfect square' means that a number, which has a rational number as its square root. 25 is a perfect square, because its square root is 5, a rational number.
Square root is a mathematical function whose argument needs to be a mathematical quantity or expression. Since helium is neither a mathematical quantity nor an expression, the question makes no sense.
1. It's a perfect square
a prime square
A CUBE
Yes, they are mathematical concepts.
The mathematical term 'perfect square' means that a number, which has a rational number as its square root. 25 is a perfect square, because its square root is 5, a rational number.
A square pyramid.If you would like to be abstruse you could call it the first Johnson solid (a non-uniform convex polyhedron).
No mathematical difference.
Square root is a mathematical function whose argument needs to be a mathematical quantity or expression. Since helium is neither a mathematical quantity nor an expression, the question makes no sense.
How about 'triangular'
ft2
-27 does not have a square root. The mathematical expression for the square root of-1 is i.
Another mathematical name for chart is table, diagram or graph.
How about 'triangular'