the area of a circular tabletop with radius $$ r $$ the radius of a circular tabletop with circumference $$ C $$ the radius of a circular tabletop with circumference $$ C $$ tabletop with area $$ A $$

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1. **Area of a Circular Tabletop with Radius $$ r $$**

The area $$ A $$ of a circle is given by the formula
   $$
   A = \pi r^2.
   $$
   
2. **Radius of a Circular Tabletop with Circumference $$ C $$**

The circumference $$ C $$ of a circle is given by
   $$
   C = 2\pi r.
   $$
   Solving for $$ r $$:
   $$
   r = \frac{C}{2\pi}.
   $$
   
3. **Radius of a Circular Tabletop with Area $$ A $$**

Starting from the area formula
   $$
   A = \pi r^2,
   $$
   solve for $$ r $$ by dividing both sides by $$ \pi $$ and taking the square root:
   $$
   r^2 = \frac{A}{\pi} \quad \Longrightarrow \quad r = \sqrt{\frac{A}{\pi}}.
   $$
1. **Area of a Circular Tabletop with Radius $$ r $$:** $$ A = \pi r^2 $$ 2. **Radius of a Circular Tabletop with Circumference $$ C $$:** $$ r = \frac{C}{2\pi} $$ 3. **Radius of a Circular Tabletop with Area $$ A $$:** $$ r = \sqrt{\frac{A}{\pi}} $$

the area of a circular tabletop with radius \( r \) the radius of a circular tabletop with circumference \( C \) the radius of a circular tabletop with circumference \( C \) tabletop with area \( A \)

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