Find the length of the missing side. If the side length is irrational, round to the nearest tenth.

Answer: 17m
Step-by-step explanation: Because if you look on the right side of the triangle you can clearly see that the bottom of the triangle is exactly alike the right side. hope this is correct
Step-by-step explanation:
•let the missing be x
=>x²=18²m+17²m
=>x²=324m²+289m²=613m⁴
=>x=✓613m⁴