Find the length of the arc round your answer to the nearest tenth

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Noby Fujioka asked Dec 14, 2022

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Find the length of the arc round your answer to the nearest tenth

Mathematics
high-school

Noby Fujioka asked Dec 14, 2022

by Noby Fujioka

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1 Answer

17 votes

Answer:

arc ≈ 4.2 cm

Explanation:

The length of the arc is calculated as

arc = circumference of circle × fraction of circle

= 2πr ×
(60)/(360)

= 2π × 4 ×
(1)/(6)

= 8π ×
(1)/(6)

=
$(8\pi )/(6)$

≈ 4.2 cm ( to the nearest tenth )

Karthiga answered Dec 20, 2022

by Karthiga

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