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Circumference (rounding)
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2 votes
Circumference (rounding)

Circumference (rounding)-example-1
User Binpy
by
4.3k points

2 Answers

3 votes

Answer:

40.8 cm²

Explanation:

Use the equation C=2πr to solve

  1. Find the values needed. C=2π·6.5 (radius is half of diameter)
  2. Solve your equation. 40.84=2π·6.5
  3. Round. 40.84≈40.8
User Dibo
by
4.7k points
6 votes

Answer:

41

Explanation:

13 cm × 3.14 ( pi )

will give you

40.82 = 41

User Grantr
by
5.8k points
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