Question

Identify, with reason, if the following is a Pythagorean triplet.
(3, 5, 4)

Answer 1

 In the triplet (3, 5, 4),
3² = 9, 5² = 25, 4² = 16 and 9 + 16 = 25
The square of the largest number is equal to the sum of the squares of the other two numbers.
∴ (3, 5, 4) is a pythagorean triplet.