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4 results for “arc length”

Formulae (4)

s = r\theta

Length of a circular arc (θ in radians).

s = r\theta

Arc length from radius and central angle in radians.

L = \int_a^b \sqrt{1 + (f'(x))^2}\,dx

Length of a curve y = f(x) from a to b.

L = \int_a^b \sqrt{1 + [f'(x)]^2}\,dx

Length of a curve between two points.