Question #280ad

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Answer 1 · 2017-04-07T16:22:25

#theta = 4" radians"#

Given: #s = 20" radian cm"# #d = 10" cm"#

Compute the radius:

#r = d/2#

#r = (10" cm")/2#

#r = 5" cm"#

Using the formula:

#s = thetar#

#theta = s/r#

#theta = (20" radian cm")/(5" cm"#

#theta = 4" radians"#