Write a formula for rrr in term of \thetaθtheta for the following figure. A circle with a radiu of r centimeter. There are two radii that highlight a ector. The meaure of the arc i four centimeter. The central angle meauring theta radian. A circle with a radiu of r centimeter. There are two radii that highlight a ector. The meaure of the arc i four centimeter. The central angle meauring theta radian. The angle in the figure i a central angle in radian