Infinitely many.
p = a. In a regular polygon with an even number of sides, every side is parallel to the one opposite it. So all a sides are parallel.
Any regular polygon with an even number of sides must have parallel sides.
360/exterior angle = number of sides of a regular polygon
A circle intersected by a pair of parallel lines.
None.
p = a. In a regular polygon with an even number of sides, every side is parallel to the one opposite it. So all a sides are parallel.
No. A parallelogram, for example, is not a regular polygon. Even a rhombus, with parallel sides of equal lengths is not.
Any regular polygon with an even number of sides must have parallel sides.
360/exterior angle = number of sides of a regular polygon
The largest exterior angle measure is 120o. It is the exterior measure of an equilateral triangle (which is a regular polygon).
5 pairs of parallel sides.
A circle intersected by a pair of parallel lines.
65
None.
None.
A square is a regular polygon with two sets of parallel sides. A parallelogram is an irregular polygon with one set of parallel sides. A rhombus is an irregular polygon with two sets of parallel sides. A rectangle is an irregular polygon with two sets of parallel sides. *Note - a regular polygon is a shape in which all sides are equal in length and all angles are equal in measurement.
Area of regular polygon: 0.5*apothem*perimeter