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

Question

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] · Answer 1 · 2022-06-27T20:59:39+03:00

arc length = 2 * radius * PI * [central angle (degrees) ÷ 360]

radius = arc length / 2 * PI * .25
radius =117.75 / .5 * PI
radius = 74.9619781963 inches
Source:
 http://www.1728.org/radians.htm