Answer:
the square root of 8
Step-by-step explanation:
You should know how to find the hypotenuse. The formula is c in the second power = a in the second power + b in the second power
so:
2 in second power + 2 in second power = c in second power
so:
4+4= c in second power
8=c in second power
the square root of 8= c