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19 December, 10:18

A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle. what is angle, q?

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  1. 19 December, 12:10
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    C=2pir

    c=2pi5

    c=10pi

    7/10pi=x/360

    times both sides by 360pi

    252=xpi

    divide both sides by pi

    252/pi=x

    aprox pi=3.141592

    80.2141=x

    angle is 80.21 degrees
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