A = \pi \times 5^2 = 25\pi \approx 78.5 \text{ cm}^2

Sun, 19 Apr 2026 07:16:22 +0000

Understanding the Area Formula: A = π × 5² ≈ 78.5 cm² When calculating the area of a circle, the formula A = πr² is one of the most widely used and essential calculations in mathematics, physics, and everyday applications. This equation expresses how the area of a circle depends on its radius—a simple yet powerful concept that underpins countless real-world situations. ### What Does A = π × 5² Equal? The expression A = π × 5² translates directly to the area of a circle with radius 5 centimeters: