A sundial has a circular base with a diameter of 90 feet as shown in the diagram.
90 feet. N. E. S. W.
Which measurement is the closest to the area of the circular base of the sundial in square feet?
The area of a circle is calculated using the formula A = πr^2, where r is the radius of the circle.
Since the diameter of the sundial base is 90 feet, the radius is half of the diameter, which is 45 feet.
Plugging in the radius into the formula, we get:
A = π(45)^2
A = π(2025)
A = 2025π
Using the approximation of π as 3.14, we get:
A ≈ 2025 * 3.14
A ≈ 6358.5
Therefore, the closest measurement to the area of the circular base of the sundial in square feet is approximately 6358.5 square feet.