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What is the sum of angles in a octadecagon?
( n x 180 ) - 360wheren is the number of sides.In other words,take the number of sides or your polygon and multiply that by 180.then, subtract 360 from that result.that is your answer.An octadecagon has 18 sides.( 18 x 180 ) - 360 = 2880The sum of the interior angles of an octadecagon is 2880 degrees.
What are the 20 polygons?
Hendecagon has 11 sides,dodecagon has 12 sides,triskaidecagon has 13 sides,tetradecagon has 14 sides,pentadecagon has 15 sides,hexadecagon has 16 sides,17 sides is heptadecagon,octadecagon have 18 sides,enneadecagon has 19 sides,20 sides is called as icosagon. The prefix of that 9 polygons is Greek. A polygone with 4 sides is called a quadrilateral.
Names of polygons with 11 sided to 20 sides?
11 Undecagon, Hendecagon 12 Dodecagon 13 Tridecagon, Triskaidecagon 14 Tetradecagon, Tetrakaidecagon 15 Pentadecagon, Pentakaidecagon 16 Hexadecagon, Hexakaidecagon 17 Heptadecagon, Heptakaidecagon 18 Octadecagon, Octakaidecagon 19 Enneadecagon, Enneakaidecagon 20 Icosagon
What is the sum of the interior angles of an octadecagon?
360
What is the name of a 18 sided figure?
The name of a 18 sided figure is an octadecagon or octakaidecagon. As you can see the prefix octa- means 8, and deca- means 10. It has 18 sides and 18 vertices,
What is 18 sides polygon called?
Octadecagon
What Shape has 18 sides?
octadecagon or octakaidecagon
What is the name polygon that have 18 sides?
An Octadecagon
What is the geometric figure that has 18 sides?
An octadecagon
How many faces does a octadecagon?
An octadecagon is an 18 sided polygon.
What is the sum of angles in a octadecagon?
( n x 180 ) - 360wheren is the number of sides.In other words,take the number of sides or your polygon and multiply that by 180.then, subtract 360 from that result.that is your answer.An octadecagon has 18 sides.( 18 x 180 ) - 360 = 2880The sum of the interior angles of an octadecagon is 2880 degrees.
What do you call a shape with 18 sides?
An eighteen-sided shape is called an octakaidecagon, or octadecagon.
How many vertices does a octadecagon have?
It has 18
What is the name of an eighteen sided shape?
Provided we are talking about a 2D figure with straight sides, it is an octadecagon.
What do you call a polygon with all sides congruent that has eleven letters in the word?
Hexadecagon (16 sides) and Octadecagon (18 sides) both fit. Am I missing something?
In what type of regular polygon is each exterior angle equal to 18 degrees?
An octadecagon - 18 sides
A certain regular polygon has exterior angles which each measure 20 degrees how many sides does this polygon have?
It has 18 sides (an octadecagon) because the number of identical angles on the polygon must always equal 360 degrees.
