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What is the formula to find the exterior angles?
The sum of the exterior angles of any polygon is 360 degrees.
What is the Formula to find sum of angles in a polygon?
Sum of interior angles of n-sided polygon is (2n - 4) right angles or 180n - 360 degrees and you may commonly see this written in an equivalent form 180(n-2) degrees. Sum of exterior angles is always 360 degrees.
Find the measure of each exterior angle of a regular polygon?
Exterior angles of ANY polygon add to 360 degrees. Individual angles are therefore 360/n where n is the number if sides. 72
What is the formula for finding the sum of an interior angle of a polygon?
(n-2)(180) use that formula to find the sum of the interior angles of a polygon in degree
What is the sum of the interior angles of a 19 sided polygon?
First find the Exterior angle = 360 / n (No. of sides) Hence Exterior angle = 360/19 = 18.947... degrees Hence the Interior Angle is 180 - 18.947... = 161.05263... Hence for 19 sides. 19 X 161.05263... = 3060 degrees.
How do you find interior and exterior angles of an irregular polygon?
Measure them with a protractor
What is The sum of the exterior angles of a docegon?
I think its this.... Find the interior. Then do 180 - the interior. That is the exterior. * * * * * The correct answer is that the sum of the exterior angles of any polygon is always 360 degrees.
What is the rule for finding out the sum interior angle of a polygon?
To find the sum of the interior angles and the sum of the exterior angles of any polygon. To review linear measurement to the nearest sixteenth of an inch and angle measurement to the nearest degree. To construct a polygon and its exterior angles given the number of sides. hope this helped
One exterior angle of a regular polygon measures 40 What is the sum of the polygon's interior angle measures?
The sum of a regular polygon's interior angles is always equal to (n-2) * 180, where n is the number of sides in the polygon. Given that one exterior angle measures 40 degrees, we can find the interior angle by subtracting 40 from 180 degrees (since the exterior and interior angles are supplementary) to get 140 degrees. So, the sum of the interior angles of the regular polygon is 140 * n.
How do you find the number of side in a polygon if all you know is the sum of exterior angles?
No way. All polygons have the same sum of exterior angles.You need the sum of interior angles.
How many sides does a polygon have if the measure of each exterior angle of a regular polygon is 45 degrees?
8 Since the sum of the exterior angles of any polygon is always 360, you can divide 360 by 45 to find the number of exterior angles, which is 8. That means 8 interior angles and eight sides as well.
How do you find the measure of exterior angles on a polygon?
The exterior angles of any polygon add up to 360 degrees
What is the exterior angle of a regular dodecagon?
For any given polygon, the exterior angles will sum to 360 degrees. Thus, for a regular polygon, dividing by the number of exterior angles (the same as the number of sides) will produce the exterior angle. For a dodecagon (12 sides), 360/12=30 degrees. You can also find the interior angle easily because the interior and exterior angles are supplementary: 180-30=150 degrees for an interior angle.
How can you find the sum of the exterior angles in any polygon?
The exterior angles of any polygon add up to 360 degrees
What is the measure of an interior angle and an exterior angle of a nonagon?
The sum of the interior angles of a polygon is 2n-4 Right Angles For a nonagon (2x9)-4 RAs = 14x90°=1260° To find the interior angle of a regular nonagon, divide this by 9 which gives 140° To find the exterior angle, subtract this from 180 and you get 40°. The sum of the exterior angles of a polygon is 360°, so for a regular polygon you can also divide this by the number of sides, which in this case also gives: 360° ÷ 9 = 40°
How do you find a angle in a polygon?
Example: a regular decagon (ten sides) The sum of the interior angles of any regular polygon of n sides is equal to 180(n - 2) degrees. 180 x 8 = 1440 There are ten angles. 1440/10 = 144 An interior angle of a regular decagon is 144 degrees. There are two ways to find the exterior angles. The interior and exterior angles add up to 180. 180 - 144 = 36. The exterior angles of any polygon add up to 360. 360/10 = 36
Describe how you can find the sum of the exterior angles of a polygon?
The exterior angles of any polygon always add up to 360 degrees
