The area of the square is 9/16 sq.inches or 0.56 sq.inches
<u>Step-by-step explanation</u>:
<u>The formula used to find area of the square is :</u>
Area of the square = a².
where,
a is the length of the each side of the square.
It is given that, the length of the side of square is 3/4 inch.
Therefore, the value of a is 3/4.
Area of the square = a² = (3/4)²
⇒ (3/4)
(3/4)
⇒ 9/16 sq. inches
Area of the square = 9/16 (or) 0.56 sq. inches