47. Let a, b, and c be the respective side lengths, in feet, of a triangle. Given that a is 5 and b is 7, which of the following inequalities gives all and only the possible values of c ?

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

According to the triangle side length theorem, the sum of the two sides is greater than the third side, and the difference between the two sides is smaller than the third side, choose D