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Gala2k [10]
3 years ago
14

A circle has a central angle measuring 90° that intersects an arc of length 117.75 in. What is the length of the radius of the c

ircle?
Mathematics
1 answer:
notka56 [123]3 years ago
7 0
<span>arc length   =   2 * radius * PI * [central angle (degrees) ÷ 360]
</span>
radius = arc length / 2 * PI * .25
radius =117.75 / .5 * PI
radius = <span> <span> <span> 74.9619781963 inches</span></span></span>
Source:
<span><span><span> </span> </span> </span> http://www.1728.org/radians.htm


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