Exterior angle = 180-156 = 24 degrees
Number of sides = 360/24 = 15 sides.
If you can't remember the formula, then remember this to help figure it out:
The regular polygon can be divided into triangles (like Pizza slices). Each triangle is an isosceles triangle and all of them are congruent (since it's a regular polygon).
Take one of the triangles: each of the 'leg angles' will be half of the polygon angle (the leg of the triangle has bisected the polygon angle). So these two angles will add together to be the same measure as the polygon angle (call it Ap). So the other angle in the triangle is in the center and all these pizza slice angle make a circle in the middle (360°). Since the triangle sums to 180°, the angle in the middle is (180° - Ap), then you have:
Number of sides = (360°) / (180° - Ap), or in this case: 360/(180-156) = 15 sides.
No. To elaborate, the smallest regular polygon, an equilateral triangle, has 60 degree interior angles. The next larger one, a square, has 90 degree interior angles. In fact, for any regular polygon, the interior angles measure 180*(n-2)/n degrees, where n is the number of sides. No polygon has less than 3 sides. Thus, no regular polygon can have interior angles less than 60 degrees.
The interior angles of a 16 sided polygon add up to 2520 degrees If it's a regular polygon then each interior angle measures 157.5 degrees
6
That's true if the interior angles are 108 degrees, but a regular polygon cannot have exterior angles of 108 degrees.
Providing that it is a regular 7 sided polygon then each interior angle is 900/7 degrees
No regular polygon can have an interior angle of 180 degrees or more. No regular polygon can have an interior angle of 180 degrees or more. No regular polygon can have an interior angle of 180 degrees or more. No regular polygon can have an interior angle of 180 degrees or more.
14 sides in the polygon
It has 180 sides if the interior of the (regular) polygon has a total of 178 'degrees'.
The interior angles of a regular polygon must be 60 degrees or greater.
The only regular polygon with an interior angle of 90 degrees is the square, which has four sides. Other polygons can have an interior angle of 90 degrees, but they would not be regular polygons.
Obtuse
If it's a regular polygon then each interior angle measures 120 degrees.
It cannot be a regular polygon with interior angles of 24 degrees since the smallest interior angle in a regular polygon is 60 degrees. If it is an irregular polygon, then any one of them, with 3 or more sides, can have an angle of 24 degrees.
The interior angles of a 15 sided polygon add up to 2340 degrees and if it is a regular polygon then each interior angle is 156 degrees.
A 13 sided regular polygon
The sum of the interior angles of a n-sided polygon is (n-2)*180 degrees. This is true whether or not the polygon is regular.
Each interior angle of a regular 10 sided decagon measures 144 degrees