patrysienka359 patrysienka359

04-05-2020
Mathematics

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Work out the circumference of this circle.Take pi to be 3.142 and give your answer to 1 decimal place .The radius is 9cm .??

Work out the circumference of this circleTake pi to be 3142 and give your answer to 1 decimal place The radius is 9cm class=

Respuesta :

isaacoranseola isaacoranseola

10-05-2020

Answer:

=28.3m

Step-by-step explanation:

Circumference of a circle = 2πr

Where π= 3.142

From the diagram diameter = 9m

Radius = diameter/2

R = 9/2

R = 4.5m

Circumference = 2×3.142×4.5

Circumference = 28.278

=28.3m

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