Answer:
13
Step-by-step explanation:
a^2 + b^2= c^2
5^2+ 12^2 =c^2
25+ 144= 169 =c^2
square root 169
C= 13
Pythagorean Theorem :
a^{2} + b^{2} =c^{2}
replace a and b
5^{2} + 12^{2} =c^{2}
25+144=c^{2}
169=c^{2}
13=c
