Question

Question

Two sides of a right triangle have lengths of 5 inches and 12 inches. Which of the following could be the
length, in inches, of the third side of the triangle?
A 3
B 8
C 13
D 17

Answer 1

Answer: C

a^2+b^2=c^2
5^2+12^2=c^2
25+144=c^2
169=c^2
Square root 169=c
13=c

13*13=169