Find an integer, x, such that 5, 10, and x represent the lengths of the sides of an acute triangle.

A. 4

B. 5

C. 6

D. 11

we are given the data of lengths 5 and 10 of an acute triangle and is asked to detemine the length of the third side. In this case, it cannot be 4 since the sum of 5 and 4 does not exceed the longest one. Sides 6 and 11 result to an obtuse triangle. Answer is B. 5