Question

A square rug has an area 90 ftsquared. Write the side length as a square root. Then decide if the side length is a rational number.
Question content area bottom
Part 1
The rug has side length
StartRoot 90 EndRoot
ft.
Part 2
Is the side length a rational​ number?
No
No
Yes
Yes

Answer 1

Part 1: side length = √90 ft = 3√10 ft.

Part 2: No. √90 = 3√10 is irrational (10 is not a perfect square, so its square root cannot be written as a ratio of integers).