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 = 10√2 = 14.142135623731
Leg lengths =
Leg lengths =
20/√2
Rationalize to remove the radical from the denominator:
Leg lengths =
20 * √2/√2 * √2
Leg lengths =
20√2/2
Leg lengths = 10√2 = 14.142135623731