Answer:
A=49 square inches
Explanation:
Step 1
In this step we explain which formula to use to calculate the are of the square piece of paper.Since the sheet of paper is in the form of a square with side length
inches, we will use the formula for the are of a square to calculate the area. The formula of a square is given in,

Step 2
In this step we use the formula to calculate the area.

The area is 49 square inches.