Answer:
square root of 68, or 8.24
Step-by-step explanation:
You have to use the Pythagorean theorem. 2 and 8 will both be squared. 2 squared is 4, and 8 squared is 64. Add those up and you get 68. Since the Pythagorean theorem states that a squared + b squared = c squared, you have to square C.
