Question 21067
here we will use the pythagorian theorm which is a^2+b^2=c^2.<br>

a^2+b^2=c^2 where a = 5 and b = 10
(5)^2+(10)^2=c^2
25+100=c^2
125=c^2<br>

c = {{{sqrt(125)}}}
c = 5{{{sqrt(5)}}}