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andrewhugunin
andrewhugunin andrewhugunin
  • 06-02-2017
  • Mathematics
Answered

The radius of a circle is 4.3 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle? in2

Verified Answer :

batmase
batmase batmase
  • 06-02-2017

3*4.3=12.9 12.9²=166.41

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Anonymous Anonymous
  • 06-02-2017

We know, Area = πr²
Here, π = 3.14
r = 4.3

Substitute their values, 
A = 3.14 (4.3)²
A = 3.14 18.49
A = 58.06

In short, Your Answer would be 58.06 in²

Hope this helps!

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