Q: Is a semicircle a polygon

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'Poly' simply means 'many' or 'multiple', so a polygon is just a shape with any number of sides. Unlike hexagons ('hex'=6) or pentagons ('penta'=5), polygon is just a blanket word for any multi-sided shape. Squares and triangles and rhombuses and semicircles are all polygons. * * * * * Nearly correct. The sides of a polygon must be straight lines so a semicircle is NOT a polygon.

All triangles inscribed in a semicircle with one side of the triangle being the diameter of the semicircle are right triangles.

The cross section of the Ram hemi is a semicircle

a sphere

The diameter of the semicircle will be twice the radius.

Related questions

It is convex if you look at it from the inside but it is not any kind of polygon.

Inscribed polygon: a polygon contained within a circle, with each side being a chord of a circle.Chord: end points connected to an arc or a semicircle, forming a segment that lies in the interior of a circle.

No, a semicircle is not a quadrilateral

Semicircle

A polygon is usually defined as a plane figure bounded by straight line segments. Any figure which does not correspond to this definition would be a non-polygon. For example, triangles, rectangles, squares, and even star shapes are called polygons. A circle, semicircle or oval is not a polygon. The have curved boundaries.

A circle, semicircle, segments or sectors of circle, ellipse, segments or sectors of ellipses, cardiods, closed convex wriggly shapes.

The possessive form is semicircle's.

Calculating the radius of a semicircle depends on what information about the semicircle is given.

'Poly' simply means 'many' or 'multiple', so a polygon is just a shape with any number of sides. Unlike hexagons ('hex'=6) or pentagons ('penta'=5), polygon is just a blanket word for any multi-sided shape. Squares and triangles and rhombuses and semicircles are all polygons. * * * * * Nearly correct. The sides of a polygon must be straight lines so a semicircle is NOT a polygon.

A semicircle means a half circle.

A semicircle has 180 degrees

Semicircle has four syllables.