Question

Sherry will mail a square

photo to her grandma.
The area of the photo is
about 71.4 square inches.
All of Sherry's envelopes
are perfect squares.
What's the length of one
side of the smallest
envelope she can use?

Answer 1

Take the root

Explanation:

Area of the square equal

`{x}^(2)`

Then the side length of the pictures equal

`√(71.4 )`

The result will be 8.44