Q: What is each interior angle of a regular polygon with 21 sides?

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If it is a regular polygon then it will have 10 sides

Exterior angle regular polygon = 360° ÷ number of sides = 360° ÷ W Interior angle regular polygon = 180° - exterior angle regular polygon = 180° - (360° ÷ number of sides ) = 180° - (360° ÷ W)

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.

A regular polygon with each interior angle measuring 120 degrees is a hexagon.

it is 4329

Related questions

If each interior angle is 178 degrees then the regular polygon will have 180 sides.

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.

48 sides A formula for finding the number of sides of a regular polygon given an interior angle: 360/(180-angle)=sides

If it is a regular polygon and each interior angle is 176 degrees then it will have 90 sides.

If it is a regular polygon then it will have 10 sides

If the measure of an interior angle of a regular polygon is 140o, the polygon is a nonagon (sometimes called an ennagon) having 9 sides.

If its a regular polygon then 180-interior angle and divide the answer into 360 which will give the number of sides of the polygon.

Exterior angle regular polygon = 360° ÷ number of sides = 360° ÷ W Interior angle regular polygon = 180° - exterior angle regular polygon = 180° - (360° ÷ number of sides ) = 180° - (360° ÷ W)

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.

A regular polygon with 4 sides is a square. The measure of any interior angle of a square is 90 degrees.

A regular polygon having an interior angle measure of 168o has 30 sides and is called a triacontagon.

The polygon has 16 sides :)