Thu, 16 Apr 2026 15:02:47 +0000

A circle is inscribed in a square with a side length of 10 cm. Find the area of the shaded region outside the circle but inside the square.
This elegant geometric relationship sparks curiosity for learners and design enthusiasts alike. As online exploration deepens, many users stumble upon this classic problem—seeking clarity on area calculations that bridge shape and space.
For those interested in proportional thinking, architecture, or visual design trends in the US, understanding how shapes interact within flat spaces offers practical insight beyond pure math. This circle perfectly fits inside a 10 cm square, touching all four sides. The shaded area represents the difference between the square’s total surface and the circle’s enclosed space—offering a tangible example of geometric subtraction. Why is this geometric relationship gaining attention now?
Across digital platforms and educational content, there’s a growing interest in visual literacy and spatial reasoning. As users seek easy-to-grasp concepts—often via mobile devices—clear, accurate geometric explanations perform strongly in search and Discover. The proximity of the circle inside the square mirrors real-world design principles, matching trends in minimalist aesthetics and efficient space utilization. How a circle is inscribed in a square with a side length of 10 cm. Find the area of the shaded region outside the circle but inside the square.
Mathematically, the square’s area is simply 10 cm × 10 cm = 100 cm². The inscribed circle has a diameter equal to the square’s side, so its radius is 5 cm. The circle’s area computes as π × (5)² = 25π cm². Subtracting this from the square’s area reveals the shaded region: 100 – 25π cm², approximately 100 – 78.54 = 21.46 cm². This precise relationship illustrates how geometry provides both theoretical and practical value.