Answer
c=5
Work Step by Step
Given that triangle is right angle triangle where a=4 and b=3
and c has to be found
formula for finding hypoteneus of right andle triangle is $a^{2}$+$b^{2}$=$c^{2}$
so after putting values of a and b,
$4^{2}$+$3^{2}$=$c^{2}$
16+9=$c^{2}$
$c^{2}$=25
$\sqrt c$=5