Question

A triangle has sides of length 4, 7, and x. Which of the following could be the value of x ? Indicate all such values. A. 2.9 B. 4.5 C. 6.25 D. 7 E.12

Answer 1

B, C , D

Explanation:

given 2 sides of a triangle then the third side x is in the interval

difference of 2 sides < x < sum of 2 sides , that is

7 - 4 < x < 7 + 4

3 < x < 11

the only sides in this interval are

B 4.5 , C 6.25 and D 7