Given that a square tile has an area of 81 square inches, determine the dimensions of the tile.
Emma’s bedroom is shaped like a square. Determine the dimensions of her room if the area of its floor is 256 ft2.
Determine the square of the number whose cube is .
Noah bought a squared greeting card of area 207.36 square centimeters. Find the dimensions of the greeting card.
Given that , , and , determine the length of .
What is the perimeter of the triangle ? Express your answer in its simplest form.