If the area was 16cm^2 before, then each side was 4 cm long since each side of a square is equal, and the area for a square is the length of the sides squared. The square root of 16 is 4, so that is why the sides were 4 cm. When you make each side 1 cm shorter, they're now all 3 cm. 3^2 is 9, so the new area is 9 square centimeters.
Answer:
14.625
Step-by-step explanation:
i believe this is the answer all you do is so
78/5.3
Answer: 20 times
Step-by-step explanation:
Given: The length of piece of wire = 10 millimeters
The length of screwdriver = 20 centimeters
We know that 1 cm = 10 mm
Therefore, the length of screwdriver = 
millimeters
The ratio of the length of screwdriver and length of wire is given by :-
The screwdriver is 20 times as long as the wire.
15.
Make sure to follow the order of operations.
