Respuesta :
square root of 15=3.9.........
square root of 16=4
square root of 21=4.5........
square root of 22=4.6........
Square root of 16 is a rational number.
square root of 16=4
square root of 21=4.5........
square root of 22=4.6........
Square root of 16 is a rational number.