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Help me someone please my teacher needs this soon or I’m going to fail school

Help me someone please my teacher needs this soon or I’m going to fail school-example-1

2 Answers

5 votes
  • Radius=3in


\\ \sf\longmapsto Circumference=2\pi r


\\ \sf\longmapsto Circumference=2(3)(π)=6\pi

Now

Check 1st option


\\ \sf\longmapsto (9\pi)/(3).2=6\pi

User Sachin Joseph
by
5.2k points
6 votes

Answer:

  • A. 9π/3 · 2

Explanation:

Use the equation of circumference and substitute the value of radius:

  • C = 2πr
  • C = 2π*3 = 6π inches

Compare the answer choices to find the correct one, which is:

  • 9π/3 · 2 = 3π · 2 = 6π
User Alexander Zwitbaum
by
4.9k points