Answer:
Do u have answer choices?
This says only 8 points not 15
Answer: hope this helps .
Step-by-step explanation:
Answer:
50
Step-by-step explanation:
48 rounds to 50
ANSWER: 50
SA=4pir^2
78.54km^2=SA
78.54=4pir^2
divide both sides by 4
19.635=pir^2
aprox pi=3.14 so divide both sides by 3.14
6.25318=r^2
sqrt both sides
2.50063=r
round
radius=2.5km
this question is flawed in that it gives the wrong units
answer is the option with 2.5 in it
2nd one
