Question: beginning in town a , biker bob rides his bike 10 miles west , 5 miles north , 5 miles east , and then 15 miles north , to town b . how far apart are town a and town b ? ( ignore the curvature of the earth . )
A)  22 miles
B)  20.62 miles
C)  25 miles
D)  26 miles
E)  28 miles
Correct answer: b
Grade: 8 | Topic: Geometry | Difficulty: Medium | Standard: 8.G.B.7