Respuesta :

Answer:

A, 22 feet

Step-by-step explanation:

10^2+20^2=√500

A. c=22 feet. you multiply 10x10 because it is squared and you do the same with 20 which leaves C 10x10=100. 20x20= 400. 100+400= 500 then you square root it and get 22.36 then round that to 22 which is A