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randallmatthew6124
18.10.2019 •
Mathematics
Can someone answer. there is one problem. there is a picture. you!
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Ответ:
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
Ответ:
Step-by-step explanation: