Question 1177798

The formula for the length of an arc of a circle is:

{{{L=(theta/360)(2pi*r)}}}

given: {{{r=10cm}}} and {{{theta=50}}}°

{{{L=(theta/360)(2pi*r)}}}

{{{L=(50/360)(2pi*10)}}}

{{{L=(5/36)(20pi)}}}

{{{L=25pi/9}}}

approximately

{{{L=8.7cm}}}