A man travels 4 miles north, 12 miles east, and then 12 miles north. How for ( to the nearest mile ) is he from the starting point ?
A
17
B
20
C
21
D
24
Correct Answer: 20
Total North = 4 + 12 = 16 Now d^2 = 16^2 + 12^2 = 400 d = 400^(1/2) = 20