Question 21218
let a= 5 the first side
let b= 10 the other side
let c= ?  hypotenous

from the formula
 c^2 = a^2 + b^2
 c^2 = 5^2 + 10^2
 c^2 = 25 +  100^2
 c^2 = 125-----you need to simplify
    from---- 25 x 5 square root of 25 is 5 
     so...5 squre root(symbol)5