Arc Length Formula: How to Calculate the Length of a Curve
The arc length formula lets you find the distance along a curve—whether it’s a slice of pizza crust or a drawn arc. For circles, the simplest form is L = r × θ (with θ in radians), while for genera...
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The arc length formula lets you find the distance along a curve—whether it’s a slice of pizza crust or a drawn arc. For circles, the simplest form is L = r × θ (with θ in radians), while for general curves, we use an integral: L = ∫ₐᵇ √(1 + [dy/dx]²) dx. Those are the quickest ways […]