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18 January, 01:42

Find the measure of a central angle that intercepts an arc of 27 inches in a circle whose radius is 10 inches.

.27 rad

2.7 rad

27 rad

270 rad

+1
Answers (1)
  1. 18 January, 01:55
    0
    Ok

    x=angle

    we want radians

    2pi radians in 1 circle

    x/2pi=27/circumference

    find circumfernce

    c=2pir

    c=2pi10

    c=20pi

    x/2pi=27/20pi

    times both sides by 2pi

    x=27/10

    x=2.7

    answer is 2.7 radians
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