WebThe four sides can act as the remaining two sides each of the two triangles. As we know that the sum of the measure of the angles of a triangle is 180 degrees, we can divide any polygon into triangles to find the sum of the measure of the angles of the polygon. I … WebSolution: Irrespective of the number of sides of a regular polygon, the measure of each exterior angle is equal and the sum of the measure of all the exterior angles of the regular polygon is equal to 360°. (i) 9 sides. The total sum of all exterior angles = 360°. Each exterior angle = Sum of exterior angles / Number of sides.
Sum of the exterior angles of a polygon (video) Khan …
Web👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle ... WebWe can learn a lot about regular polygons by breaking them into triangles like this: Notice that: the "base" of the triangle is one side of the polygon. the "height" of the triangle is the "Apothem" of the polygon. Now, the area of a triangle is half of the base times height, so: Area of one triangle = base × height / 2 = side × apothem / 2. chicken house address
Measure of an exterior angle of a 12-gon? - Answers
WebSep 15, 2009 · Best Answer. Copy. To find an exterior angle of a regular 12-gon, use the formula to find the total sum of all the angles first: total sum of all angles = (n-2)*180. where 'n' is the number of sides, or 12. By solving, you will find that the total sum of all angles is 1800 degrees, so since it is a regular polygon, you can divide by 12 to find ... WebJul 9, 2024 · An exterior angle has its vertex where two rays share an endpoint outside a circle. The sides of the angle are those two rays. The measure of an exterior angle is found by dividing the difference between the measures of the intercepted arcs by two. Example: Find the measure of angle EXT, given that the exterior angle cuts off arcs of … chicken house and run