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10 June, 05:55

A central angle in a circle has a measure of 180 The length of the arc it intercepts is 8 in.

What is the radius of the circle?

**Use 3.14 for π and round your answer to ONE decimal place.

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  1. 10 June, 05:57
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    Step-by-step explanation:

    An arc is the length along the circumference of a circle that is bounded by 2 radii. I

    A central angle in a circle has a measure of 180. This means that the arc subtends an angle of 180 degrees at the center of the circle.

    The length of the arc is 8 inches

    Formula for the length of an arc is expressed as

    Length of arc = #/360 * 2πr

    r = radius of the circle

    Length of arc = 8 inches

    # 180 degrees

    π = constant = 3.14

    Substituting,

    8 = 180/360 * 2 * 3.142 * r

    8 = 3.14r

    r = 8/3.14 = 2.56 inches
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