Question

Pythagoream theorem a=18 b=26 c=?

Answer 1

18^2+26^2=1000
√1000=31.6 
c=31.6 :D

Answer 2

A^2 + b^2 = c^2
18^2 + 26^2 = c^2
324 + 676 = c^2
1000 = c^2
sqrt 1000 = c
31.62 = c