Answer:

Step-by-step explanation:
we have

we know that




Substitute the values in the expression


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.
Answer:
I am telling I am new to this
The answer for angle b is: 25°