In this video lesson, you learn how to find the area of a circle. The video starts with an explanation of the area's formula. This formula can then be used to find the area of any circle, given its radius, which is half the diameter of the circle. There are many applications for this formula, whether in architecture, or studying for a basic geometry test. Euclidean geometry is the cornerstone of any education, and this video teaches you one of the many formulas in geometry.
Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.
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