Answer:
The approximate value of the area is 
Step-by-step explanation:
we know that
The area of the circle (landing pad) is equal to

we have

substitute

----> exact value of the area
Find the approximate value
assume 
------> approximate value of the area
5 kilometers = 5000 decimeters if that answers your question sorry ...
Answer:
729
Step-by-step explanation:



x=27²=729