The area is ___ square units ​

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.