9000062906 | math4u.vsb.cz

9000062906

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9000062906
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A semicircle is a half of the full circle. An infinite spiral is built from semicircles with a decreasing radius. The radius of the first semicircle is 2cm. The radius of each semicircle in the spiral is one half of the radius of the previous semicircle. Find the total length of the spiral.
4π
43π
4π