Solve the Problem $18 ^ { \circ }$ Each Second $20 \mathrm {~cm}$

Multiple Choice

Solve the problem.
-A pendulum swings through an angle of $18 ^ { \circ }$ each second. If the pendulum is $20 \mathrm {~cm}$ in length and the complete swing from right to left lasts 2 seconds, what area is covered by each complete swing? Round to the nearest hundredth.

A) $62.83 \mathrm {~cm} ^ { 2 }$
B) $6.28 \mathrm {~cm} ^ { 2 }$
C) $251.33 \mathrm {~cm} ^ { 2 }$
D) $125.66 \mathrm {~cm} ^ { 2 }$