$\"\"$

The word $\"\"$ product $\"\"$ indicates multiplication and the symbol is ( $\"\"$ ).

The symbol of word is $\"\"$ is $\"\"$ ( $\"\"$ ).

Let A = area of a circle.

The word $\"\"$ the area of a circle is the product of $\"\"$ and the radius r squared $\"\"$ represents $\"\"$ .

$\"\"$

The formula is $\"\"$ .