MEDAL!!!!!!!!

A circle has a radius that is 4 centimeters long. if a central angle has a measure of 3 radians what is the length of the ark that corresponds in the angle?

A. 4 centimeters
B. 3 centimeters
C. 7 centimeters
D. 12 centimeters

Question

MEDAL!!!!!!!!


A circle has a radius that is 4 centimeters long. if a central angle has a measure of 3 radians what is the length of the ark that corresponds in the angle?

A. 4 centimeters
B. 3 centimeters
C. 7 centimeters
D. 12 centimeters

hartnn · Answer

$\Large length ~ of ~arc ~ s = r\times \theta $

hartnn · Answer

here, r = 4
and theta should be in radians
so, theta = 3 radians
just plug in values!

anonymous · Answer

so 12? @hartnn

hartnn · Answer

correct! :)