How should you calculate the surface area of a circular pond?

Calculating the surface area of a circular pond involves understanding the geometric formula for the area of a circle. The area of a circle is derived from the formula A = πr², where "r" is the radius of the circle. This means that you take the radius, multiply it by itself (r x r), and then multiply that by π (approximately 3.14).

The option that discusses radius squared multiplied by π indicates the correct approach to find the area, and it specifically mentions the proper mathematical relationship needed to determine the circular surface area.

However, the answer you selected does not correspond to the typical formula for the area of a circle. It uses the circumferential distance improperly. The correct approach would be derived from the diameter or radius, properly squared and multiplied by π, without additional conversion factors that don’t apply in calculating area directly.

To clarify further: The option that emphasizes multiplying the radius by itself and then with π aligns closely with the established geometric principles for determining area. It's important to take note that while including conversion factors may be relevant in some contexts, they are not generally needed for simply calculating the area.

Focusing on the radius and its square provides a straightforward method to determine the area effectively,