octagon
a trapezium is a quadrilateral with no parallel sides. it is a polygon because a plygon is any closed figure (three or more sides)
plane figure
Area of plane figure
No it is not a plane but it is a solidfigure
It is a figure that is the same as another figure in the plane. A square is the same plane figure as another square, but a cube is same the same plane figure even tho it is made up of 6 squares.
the plane figure has 2 dimension and spatial figure has 3 dimension
Yes and no. Yes = plane figure No = solid figure.
It is usually a plane shape that forms a boundary of the figure..It is usually a plane shape that forms a boundary of the figure..It is usually a plane shape that forms a boundary of the figure..It is usually a plane shape that forms a boundary of the figure..
A plane figure has two dimensions !
A solid has a depth, a plane figure does not.
A decagon