Which best explains whether a triangle with side lengths 5 cm, 13 cm, and 12 cm is a right triangle?
A
The triangle is a right triangle because 5 plus 13 is greater than 12 .B
The triangle is not a right triangle because 5 plus 12 is greater than 13 .C
The triangle is a right triangle because 5 squared plus 12 squared is equal to 13 squared .D
The triangle is not a right triangle because 5 squared plus 13 squared is greater than 12 squared .