Question #280ad

1 Answer
Apr 7, 2017

#theta = 4" radians"#

Explanation:

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"#