50 POINTS !!
PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

Answer:
8.2
Step-by-step explanation:
a^2+b^2=c^2
7.6*7.6=57.76
3.2*3.2=10.24
57.76+10.24=68
square root of 68= 8.2