What is the arc length of this half circle
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Semicircle is 180 degree
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Step-by-step explanation:
The length of an arc on a circle depends on both the angle of rotation and the radius length of the circle. The circumference of a circle C=2πr is related to arc length. This is the arc length for one rotation of 360∘ or 2π radians. If the radius is 4 cm, then the length of the half-circle arc would be 4π cm
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