State whether the given statement is true or false:
9, 40, 41 is a Pythagorean triplet.
True
Square of the respective given numbers are,
92 = 81
402 = 1600
412 = 1681
We can observe that,
92 + 402 = 9 + 1600 = 1681 = 412
By the converse of Pythagoras Theorem, a triangle with sides 9, 40, 41 is right angled.
Thus, 9, 40, 41 is a Pythagorean Triplet.