Question

Select all of the possible side lengths for the third side of a triangle if the first two

sides have lengths of 15 in. and 10 in.
9 in
5 in
27 in
3 in
21 in
13 in
12 in
25 in
Next

Answer 1

9, 12, 13, 21

Explanation:

let x be the third side, then

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

15 - 10 < x < 15 + 10

5 < x < 25

The possible side lengths for the third side from the given list are

9, 12, 13, 21