Answer:
I think E
Step-by-step explanation:
You know the shortest building is 25 m.
to find the rest, use trigo so Tan(20)=opposite/adjacent.
Adjacent is 50. Do the math and add the answer with 25.
Exact form -
Decimal form - 12.5
Mixed number form - 12
Have a nice day.
12/20 or 60%