Question 472747

given:

Leg one {{{a= 28}}}
Leg two {{{b=21}}}

Find the hypotenuse of a triangle {{{c}}}

use Pythagorean theorem

{{{c^2=a^2+b^2}}}

{{{c^2=28^2+21^2}}}

{{{c^2=784+441}}}

{{{c^2=1225}}}

{{{c=sqrt(1225)}}}

{{{c=35}}}