Question

Sarah build a dollhouse the floor the dollhouses Square Sara covers the floor with 144 square inches of tile how long in inches is one side of the dollhouse floor?

A. 12
B. 38
C. 72
D. 144

Answer 1

All you have to do is find the square root of the area because the area is the side length squared.

square root of 144 = 12

So a side length is 12

Answer 2

A. 12x12 is 144 and the tile has to be a 12 by 12 to have 144 tiles.