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14-10-2021
Mathematics

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Work out the circumference of a circle with diameter 1.8cm.
Take pi to be 3.142 and give your answer to 1 decimal place.

Work out the circumference of a circle with diameter 18cm Take pi to be 3142 and give your answer to 1 decimal place class=

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yrj8498 yrj8498

14-10-2021

Answer:

5.65

Step-by-step explanation:

Using the formulas

C= 2πr

d= 2r

Solving forC

C = π d = π · 1.8 ≈ 5.65487cm

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