Answer:
6.5 miles far from the bank.
Step-by-step explanation:
→ AC = 3.9 miles (perpendicular)
→ BC = 5.2 miles (base)
→ AB = x (hypotenuse)
By using Pythagoras theorem the length of AB will be,
→ (Hypotenuse)²=(Perpendicular)²+(Base)²
→ AB² = AC² + BC²
→ AB² = (3.9)² + (5.2)²
→ AB² = 15.21 + 27.04
→ AB = √(42.25)
→ [ AB = 6.5 ]
Hence, friend's house is 6.5 miles away.
