Question

Find the length of each arc. Round to the nearest tenth.

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Answer 1

arc ≈ 5.5 units

Explanation:

The arc of the circle is calculated as

arc = circumference of circle × fraction of circle

= 2πr ×
`((\pi )/(2) )/(2\pi )` ( r is the radius )

= 2π × 3.5 ×
`(1)/(4)`

=
`(7\pi )/(4)`

≈ 5.5 ( to the nearest tenth )