The arc length of the partial circle is 23.55
What is arc in a circle?
An arc of a circle is any portion of the circumference of a circle. To recall, the circumference of a circle is the perimeter or distance around a circle. Therefore, we can say that the circumference of a circle is the full arc of the circle itself.
Arc length = 2πr (θ/360)
Given,
Radius of the circle = 5 unit
To find length of arc which make angle (360°-90°) = 270°
Arc length = 2π×5 (270/360)
= 7.5π
= 23.55
Hence, The arc length of the partial circle is 23.55
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