BA=5 AC=3 What is the length of side BD? If needed, write your answer as a simplified fraction using the form a/b. units

Answer:
4
Step-by-step explanation:
a²+b²=c²
|BD|²+|AC|²=|AB|²
|BD|²+3²=5²
|BD|²+9=25
|BD|²=25-9
|BD|²=16
then you root both sides
therefore |BD|=4