Is it something like 7x +3
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The angle measured is 1.72 radians
<em><u>Solution:</u></em>
Given that radius is 9 units and arc length is 15.5 units
To find: angle, , in radians
<em><u>The length of arc when angle in radians is given as:</u></em>
Where, "r" is the radius and "s" is the arc length
is central angle measured in radians
Substituting r = 9 and s = 15.5 in above formula,
Thus the angle measured is 1.72 radians