A man bought a trampoline for his children to use. The trampoline has a diameter of 23 feet. If a man wishes to put up netting to go around the outside of the trampoline, how many feet of netting does he need? Give the exact circumference of the trampoline and then an approximation. Use 3.14. The exact circumference of the trampoline is (Type an exact answer, using it as needed.) The approximate circumference the trampoline is (Type an integer or a decimal rounded to the nearest hundredth.)