Question

what is meant by special semicircle?
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Answer 1

Explanation:

In mathematics (and more specifically geometry), a semicircle is a one-dimensional locus of points that forms half of a circle. The full arc of a semicircle always measures 180° (equivalently, π radians, or a half-turn).

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Answer 2

Explanation:

Definition of semicircle

1 : a half of a circle

2 : an object or arrangement of objects in the form of a half circle

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