It is d Ik Bc Ik don’t ask why just know it’s d
Answer:
Option C. 
Step-by-step explanation:
we know that
Triangles ADE and ABC are similar by AA similarity postulate
AB=2AD
Apply proportion

Find the length of segment DE

Answer:
800 ft above sea level
Step-by-step explanation:
Answer: 21
Step-by-step explanation:
Add 0.1 to 0.0(54) to get 0.1(54).