Question

I need some help, anyone with a explanation on how to do this any help is appreciated:)

Answer 1

12.6

Explanation:

Pythagorean theorem: a^2+b^2=c^2

you are given c & b you have to find a so

c^2-b^2=a^2

196-36=160

take the square root of 160

12.6 is the final answer :)