A square has sides 5.3 cm long work out the area of the square

A square is a figure with all sides equal.

the fomular for finding the area of a square is side * side. for this case, we have been given one side as 5.3 meaning all other sides are 5.3

therefore, area of a square is side * side ... which means 5.3cm * 5.3cm = 28.09cm^2