Respuesta :

Answer: 3.0

Explanation: You can use pythagorean theorem.
6.1^2 + x^2 = 6.8^2

Answer:

3

Step-by-step explanation:

a²+6.1²=6.8²

a²+37.21=46.24

-37.21 -37.21

a² = 9.03

a = √9.03

a = 3