The midpoint of AB is M=(-2, 1). One endpoint is A=(-8, 7).
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Answer:
We use formula, circumference= to get r= 7.48
Step-by-step explanation:
Here is the complete question: The circumference of a pool is 47 feet. Which formula can you use to find Radius (r), if you know that C =2πr.
Given: Circumference= 47 feet.
We will use formula of circumference to find radius (r) as given.
Circumference =
⇒ (∵ we know π=3.14)
Cross multiplying both side to get r.
⇒ r=
∴ radius (r)= 7.48
∴ We will use circumference formula to find Radius (r).