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The circumference of a circle is 8.65cm. Find the length of the diameter. Give your answer rounded to 2 DP.
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The circumference of a circle is 8.65cm. Find the length of the diameter. Give your answer rounded to 2 DP.

User Dimitar Stefanovski
by
4.4k points

2 Answers

6 votes

Answer:

d = 2.75 cm

Explanation:

C = 2π·r } => C = dπ => d = C/π

2r = d

d = 8.65cm/3.14 ≈ 2.75 cm

User Dwightjl
by
4.5k points
1 vote

Answer:

D = 2.75 cm

Explanation:

D = C÷ π

D = 8.65 ÷ 3.14

D = 2.754

D = 2.75 cm

User Kui
by
5.0k points
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