Kathy lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kathy's home and the football field at the exact point where an
altitude to the right triangle formed by her home, the park, and the football field could be
drawn. The library is 9 miles from her home. The football field is 12 miles from the library.
a. How far is the library from the park?
b. How far is the park from the football field?

A. 6sqr root 3 miles; 6 sqr root 7 miles
B. 6sqr root 7 miles; 6 sqr root 3 miles
C. sqr root 33 miles; sqr root 21 miles
D. sqr root 21 miles; sqr root 33 miles