Question

Find range of length for third side
4cm, 17cm

Answer 1

13<x<21 (x is the side length) or (13,21)

Explanation:

The value has to be greater than the positive difference between the two numbers, and less than the sum of the two numbers.

This makes the range : 17-4<side<17+4, which equals 13<x<21

Answer 2

13 cm < x < 21 cm

Explanation: