155k views
23 votes
How can I solve this?​

How can I solve this?​-example-1
User SEGV
by
3.3k points

2 Answers

8 votes

Answer:

7

Explanation:

User Giorgos Keramidas
by
3.1k points
6 votes

Answer:

use the Pythagorean theorem in triangle DBA as DC=DA as it is given in the question

User Madav
by
3.1k points