Math problems and answers in grade four of primary school A rectangle has an area of 256 square centimeters. Now, shorten its length by 4 times and increase its width by 4 times to form a square. How long is the side of the square? Thank you. It's a process

Math problems and answers in grade four of primary school A rectangle has an area of 256 square centimeters. Now, shorten its length by 4 times and increase its width by 4 times to form a square. How long is the side of the square? Thank you. It's a process

256=16*16
Length: 16 * 4 = 64
Width: 16 / 4 = 4