Article: An important civic sculpture in Detroit is "The Spirit of Detroit" by Marshall Fredericks at the Coleman Young Municipal Center. The image is often used as a symbol of Detroit and the statue itself is occasionally dressed in sports jerseys to celebrate when a Detroit team is doing well. A memorial to Joe Louis at the intersection of Jefferson and Woodward Avenues was dedicated on October 16, 1986. The sculpture, commissioned by Sports Illustrated and executed by Robert Graham, is a 24-foot (7.3 m) long arm with a fisted hand suspended by a pyramidal framework.

Now answer this question: How long is the Joe Louis memorial?
24-foot