Answer :
Answer:
[tex]area \: = side \times side \\ area = 20 \times 20 \\ area = 400 \: {cm}^{2} [/tex]
Answer:
400cm^2
Sides are 20cm long Area for square is a squared since all the lides are of equal length you can just choose one side.
20squared id 400
20 x 20 = 400cm squared