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Q: Is a pentagon a regular polygon sometimes always or never?

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octagon, trapezoid, pentagon...* * * * *Not true.A trapezium (or trapeziod) must have at least one acute angle.Any regular polygon with 5 or more sides has all obtuse angles. However, an irregular polygon can always have one or more non-obtuse angles (acute, right or even reflex).

The regular polygon whose exterior angle measure is 12 degrees, has 30 sides (360/12, since the exterior angles on any polygon always add up to 360 degrees).

exterior angle of regular polygon is always 360 divided by number of sides, so number of sides = 360 divided by exterior angle, in this case 360/32.72 ie 11.

If interior angles are 177o then exterior angles are 3o. Exterior angle times number of sides is always 360 so the polygon has 120 sides.

No it depends on the size of the polygon

Related questions

A square, pentagon, decagon, octagon are always regular polygons.

sometimes

A square.

yes they do. they have a perpendicular line. * * * * * No, a pentagon, as in a regular polygon does not have perpendicular lines. An irregular pentagon could, and you can always add perpendicular lines to any shape.

A Square is a polygon that is always regular.

No, a pentagon is a polygon with five side, and a rhombus is always a quadrilateral.

Yes, a regular polygon is always equiangular.

a regular polygon is always equilateral

A regular polygon is always equiangular.

Pentagons are a type of polygon. A polygon is a flat, closed, geometric shape that has at least three sides.

Not always although they both have 5 sides

Not always

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