Given:
There are given that the equilateral triangle ABC.
Step-by-step explanation:
In the question, there are given equilateral triangles.
So,
From the concept of the equilateral triangle:
The equilateral triangle defines when all three sides are equal and all three angles are 60 degrees.
Then,
In the given triangle ABC,:
So,
For finding the value of DB:
Final answer:
Hence, the side length of DB is 6.