Step-by-step explanation:
multiply
when 1 number is given and many is asked means multiply
Answer and Step-by-step explanation:
The answer is attached below
Answer:
10
Step-by-step explanation:
The area of the rectangle is 100cm, so if the area of the square is the same as the rectangle, then the side of the square would be 10. 10 x 10 is 100.
(I'm sorry if my explanation sucks)