a cone doesn't contain any right angles fool !
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There are no 90 degree angles in a cone. This capital 'L' shows an example of a right angle.
A cone does not have right angles.
A cone has no acute angles because a cone is a 3D shape and not a 2D.
A two dimensional regular pentagon does not contain any right angles. A pentagonal prism, however, contains up to 10 right angles.
Many shapes have a right angles. For example, a right angled triangle, square or rectangle all contain at least one right angle. Trapeziums may also contain right angles. Any irregular polygon may also contain a right angle.