MoltenSansriel8074 MoltenSansriel8074

15-09-2018
Mathematics

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S denotes the length of the arc of a circle of radius r subtended by the central angle theta. Find the missing quantity. Thetaequalsone fourth radian, sequals3 feet, requals?

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sqdancefan sqdancefan

15-09-2018

The appropriate relation is ...

... s = rθ

Filling in the given information, you get ...

... 3 ft = r·(1/4)

Multiply by 4 and you find r:

... 12 ft = r

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