Which best explains whether a triangle with side lengths 2 in., 5 in., and 4 in. is an acute triangle?
A
The triangle is acute because 2 plus 4 is greater than 5 .B
The triangle is acute because 2 squared plus 5 squared is greater than 4 squared .C
The triangle is not acute because 2 squared is less than 4 squared plus 5 squared .D
The triangle is not acute because 2 squared plus 4 squared is less than 5 squared .