Question

In the right triangle below, how long is side AB?

Answer 1

Use pythagoras :
(AB)^2=(Ac)^2+(CB)^2

Answer 2

6 squared + 7 squared = ab
ie 85 squared = ab

what is the square root of 85?Thats your answer

Answer 3

I d not know whether @aayushagra or @Eyad answer is accurate....