2,500 subtracted by 372 equals 2148. 2148 dollars is how much savings he has left.
Answer:

Step-by-step explanation:
<u><em>Using Pythagorean Theorem:</em></u>
=> 
Where c is hypotenuse, a is base and b is perpendicular and ( a, b = 4)
=> 
=> 
=> 
Taking sqrt on both sides
=> c = 5.7 units
The area of the small rectangle is 3 units square.