Baki lives 2 miles west of Raju's house . Rafiq lives 3 miles of Raju's house and 2 miles west o Diba's house. what is the straight-line distance from Baki's house to Diba's house?
A
5 miles
B
6 miles
C
7 miles
D
10 miles
Correct Answer: 5 miles
So, 2 + 22 + 32 = ad2⇒ad2 = 16 + 9⇒ad = 25∴ad = 5