Respuesta :
Answer:
8.3
Step-by-step explanation:
8 square = 6 square + x square
square them
64 = 36 + x square
minus 64 with 36
64 - 36 = 28
cancel the square with square root
x square = 28
square root of 28 is 5.3
5.3 x 5.3 = 28.09
hope this helped you!