$\"\"$

From the diagram the diameter of the circle is 46 mm.

The radius of a circle is half of its diameter, $\"\"$ .

$\"\"$ $\"\"$

The area of a circle is $\"\"$

$\"\"$ (Substitute 3.14 for $\"\"$ and 23 for r)

$\"\"$ (Evaluate power $\"\"$ )

$\"\"$ (Multiply: $\"\"$ )

$\"\"$ (Rounded to nearest whole number) $\"\"$

The area of the circle is $\"\"$ .