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Circles
A circle is a two-dimensional shape consisting of all points in a plane that are the same distance from a fixed point. It is perfectly round, has no corners or edges, and the longest distance across it through the center is called the diameter.
Features:
Radius(𝑟): Distance from the center of the circle to the edge.
Diameter(𝑑): Straight line that passes through the center and connects the edges of circle. 𝑑 = 2𝑟
Circumference (C): The diameter of the circle. 𝐶 = 2𝜋𝑟 = 𝜋𝑑
Area(𝐴): The area of circle. 𝐴 = 𝜋𝑟2
Arc:
Example Question:
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