Answer:
5.48 inches.
Explanation:
Let x represent the side length of the frame.
We have been given that Miranda bought a square frame that has an area of 30 square inches. We are asked to find the side length of frame.
We know that area of a square is the square of its side. We can represent our given information in an equation as:
.
Take square root of both sides:



Therefore, the side length of the frame is approximately 5.48 inches.