Answer:
Yes
Step-by-step explanation:
If the largest number squared is equal to the sum of the squares of the other 2 numbers, then Pythagorean triple
largest number = 7.5 and 7.5² = 56.25
2.1² + 7.2² = 4.41 + 51.84 = 56.26
Thus 2.1, 7.2 and 7.5 create a Pythagorean triple
