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11111nata11111 [884]
3 years ago
12

Circumference (rounding)

Mathematics
2 answers:
GarryVolchara [31]3 years ago
8 0

Answer:

40.8 cm²

Step-by-step 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
KonstantinChe [14]3 years ago
3 0

Answer:

41

Step-by-step explanation:

13 cm × 3.14 ( pi )

will give you

40.82 = 41

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