## Lesson Explainer: Arc Lengths

Calculate the arc length according to the formula above: L = r * θ = 15 * π/4 = 11.78 cm. Calculate the area of a sector: A = r² * θ / 2 = 15² * π/4 / 2 = 88.36 cm². You can also

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## Radius of an Arc or Arch with calculator

Minor arc length of Circular Arc = (2*pi*Radius of Circular Arc)-Major arc length of Circular Arc Go Major Arc length given minor arc length Major arc length of Circular Arc = (2*pi*Radius of

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