octagon
A rhombus. (Which is in fact also an equilateral parallelogram)
A cone has no acute angles because a cone is a 3D shape and not a 2D.
A television set is a 3D shape. The image (picture) on the television screen is a 2D shape. 3D is when it has length, width, and height. 2D is only length and width.
Well its still a 2d because its like a normal square
A cyclic kite. A kite is cyclic if it has only two right angles.
a square
A 2D square □
It is a rhombus or a parallelogram.
A rhombus is one of them
kite :)
It can have none, 1 or 2.
A Parallelogram.
An irregular quadrilateral.
a triangle
octagon
A rhombus. (Which is in fact also an equilateral parallelogram)