zaidnaeemmohammed zaidnaeemmohammed

12-03-2021
Mathematics

contestada

work out the circumference of a cirlce with a diameter of 1.8m

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Phobic111 Phobic111

12-03-2021

Answer:

5.56 m

Step-by-step explanation:

Circumference = 2πr

r is the radius, however the diameter is given. The radius is half the diameter. So the radius is:

1.8 ÷ 2 = 0.9

Circumference = 2 × π × 0.9

= 5.56 m ( in 3 significant figures )

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