it depends on the shape.
a triangle could have a 180 degrees total sum of angle while a square could have 360 degrees total sum of angles.
the sum of angles of a shape depends on how many is it's sides.
a circle doesnt have a side so it doesnt have an angle.
The number of sides times 90°
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A decagon is a ten sided figure (usually a regular ten sided figure with all interior angles equal and all sides equal in length) A polygon is a closed planar figure bounded on all sides by straight lines. A polygon can have any number (greater than two) of sides.
The interior angles of a triangle always add up to 180°Because the interior angles always add to 180°, every angle must be less than 180°The bisectors of the three interior angles meet at a point, called the incenter, which is the center of the incircle of the triangle.Note The interior angles only add to 180° when the triangle is planar, meaning it is lying on a flat plane. If the triangle is not planar, for example if it is lying on the curved surface of a sphere, the angles do not add to 180°.
The bond angles are 120 degrees
120 degrees
NO!!!! The word 'polygon' means a planar figure of any number of sides. A parallelogram is a planar figure of four(4) sides.