Leg lengths of a 45°-45°-90° Special Right Triangle are equal
Leg lengths =
Leg lengths =
Rationalize to remove the radical from the denominator:
Leg lengths =
Leg lengths =
Leg lengths = 9√2 = 12.727922061358
Leg lengths =
Leg lengths =
18/√2
Rationalize to remove the radical from the denominator:
Leg lengths =
18 * √2/√2 * √2
Leg lengths =
18√2/2
Leg lengths = 9√2 = 12.727922061358