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What is the sum of the interior angles of a 23-gon?
3,780 degrees Formula: 180(s-2) s=sides 180(23-2)=180*21=3,780
What is the measure of each interior angle of a regular 21-gon?
Each interior angle measures 162.'857142' degrees recurring '857142'
What is the sum of angles in a 21 sided polygon?
sum_of_interior_angles = (number_of_sides - 2) x 180° → if number_of_sides is 21: sum = (21 - 2) x 180° = 19 x 180° = 3420°
What is the name of a polygon that has 3420 degrees in it?
It will have 21 sides or a 21-gon
What is the name of polygons from 21-99?
120
Find the sum of the measures of the interior angles of a 21-gon?
it equals to 3420 degrees
Find the sum of exterior angles of a convex 21-gon?
The angles add up to 3420 degrees. In a regular 21-gon, each angle is about 162.86 degrees.
What is the sum of the interior angles of a 23-gon?
3,780 degrees Formula: 180(s-2) s=sides 180(23-2)=180*21=3,780
What is the sum of interior angle of a corvex 21-gon?
38 x 90 ie 3420o
the interior angle of a polygon with 21 sides?
So, the Sum of the interior angles for a 21 – sided polygon is equal to 3420°.
What is the sum of the interior angles of a 21 sided polygon?
180*(21-2) = 180*19 = 3420 degrees.
Find the sum of the measures of the exterior angles of a convex 21-gon?
The sum of exterior angles, of any polygon - convex or concave, and whatever the number of sides - is 360 degrees or 2*pi radians.
What is the sum of the interior angle measures of a 21-sided polygon?
The sum of the interior angles of a polygon is 2n - 4 right angles where n is the number of sides. When n = 21 then 2n - 4 = 42 - 4 = 38 right angles = 38 x 90 = 3420°. NOTE : If the polygon is a regular polygon then each interior angle measures 3420 ÷ 21 = 162.86°.
What type of polygon has the sum interior angles of 3420?
The sum of angles of a regular polygon: (n - 2)180 = 3,420 180n - 360 = 3,420 add 360 to both sides; 180n = 3,780 divide both sides by 180; n = 21 Thus a 21-side regular polygon has the sum of interior angles 3,420 degrees.
How many sides does a polygon have if the sum of the interior angles is 3420?
It will have: (3420+360)/180 = 21 sides
What is the Sum of interior and exterior angle at the vertex of a polygon?
The sum of the interior angles of a polygon with n sides is 180(n-2). Here is my explanation about it.http://math4allages.wordpress.com/2009/10/21/angle-sum/
What is the sum of the interior angles of a polygon with 21 sides?
(n-2)*180 degrees where n is the number of sides. In this case, n = 21 so 19*180 = 3420 degrees.
