1 Answer

Malith Lakshan · Answer 1 · 2023-11-19T13:05:34+0000

The arc length is given as:

$s=r\theta$

where r is the radius and theta is the angle (in radians). Then we have:

$s=3\cdot(\pi)/(4)=(3)/(4)\pi$

therefore the exact arc length is:

$s=(3)/(4)\pi$

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