The diameter of a circle is 33 cm . Find its area to the nearest whole number

To find the area of the circle, you can use the formula A = πr², where r is the radius. Since the diameter is 33 cm, the radius r is half of that, which is 16.5 cm. Plugging that into the formula gives you A = π(16.5)² ≈ 855.30 cm². Rounding it to the nearest whole number, the area is approximately 855 cm². Now, isn't it fascinating how circles have been a significant part of mathematics and art since ancient times? The ancient Greeks studied circles extensively, and the famous mathematician Archimedes even estimated pi with remarkable precision using inscribed and circumscribed polygons—talk about a mathletes’ battle! Additionally, circles pop up everywhere in our lives, from the wheels on our cars to the design of bicycle gears and even in architecture. Their unique properties make circles an essential aspect of engineering and design, ensuring that we create structures that are not just functional, but also aesthetically pleasing. Next time you spin a wheel or enjoy a round pizza, think about the magic of circles!