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A regular or an irregular decagon is a ten sided shape that has 10 interior angle that add up to 1440 degrees.

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I think it has 0 right angles

Q: How many angles does a decagon have that is not regular?

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It still has ten sides, same as a normal decagon. "Irregular" simply means that all the sides and angles of the decagon are not congruent.

A decagon is a 10 sided polygon Exterior angles add up to 360 degrees Interior angles add up to 1440 degrees It has 35 diagonal A decagon can have a regular or an irregular shape

1440

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There are no right angles in a regular decagon. On a regular decagon, the angles are 144 degrees, where as right angles are ninty.

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A decagon has 10 sides, and 10 angles. The sum of the interior angles of a decagon is (10-2)×180° = 1440° In a regular decagon all the angles are congruent at 1440° ÷ 10 = 144°

It still has ten sides, same as a normal decagon. "Irregular" simply means that all the sides and angles of the decagon are not congruent.

A decagon has 10 angles (and sides)

Yes if it is a regular polygon

1440

A decagon is a 10 sided polygon Exterior angles add up to 360 degrees Interior angles add up to 1440 degrees It has 35 diagonal A decagon can have a regular or an irregular shape

It depends on whether or not the decagon is a perfect decagon or a complex decagon. However, a perfect decagon has no acute angles.

Decagon is a geometry term that refers to a polygon that has 10 sides and 10 angles. The angles of a decagon measure 144 degrees.

''Decagon'' is any polygon with ten sides and ten angles ''Regular decagon'' is a polygon with ten sides of equal length and all angles equal to 144°