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The diameter of a hat is 6.8 inches. What is the distance around the hat using π = 3.14? Round to the hundredths place.

2.17 inches
10.68 inches
21.35 inches
36.29 inches

1 Answer

4 votes

Answer:

21.35 inches

Explanation:

Hello!

The distance around the hat is also called the circumference (the perimeter of a circle). To find this, we use the formula:
C = 2\pi r, where r is the radius.

If we don't have a given radius when solving for circumference, we can use the diameter, and then the formula would change to
C = \pi D (2r is the same as D), where D is the diameter.

Given that the diameter is 6.8, and the desired value of Pi is 3.14, we can solve for the circumference.

Solve for the Circumference:

  • C = πD
  • C = (3.14)(6.8)
  • C = 21.352 ≈ 21.35

The circumference is approximately 21.35 inches.

The diameter of a hat is 6.8 inches. What is the distance around the hat using π = 3.14? Round-example-1
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