Web9 dec. 2015 · ABCDEFGHI is a regular polygon with nine sides. What is the measure in degrees of angle ACB? A. 18 B. 20 C. 25 D. 27 E. 30 Source: GMATQuantum Hi, the … Web23 nov. 2009 · Best Answer. Copy. The name of a 69-sided polygon would be derived from the prefix for 60 when used in the concept of regular polygons (hexacontakai) and the prefix for 9 (ennea), with the suffix -gon at the end of the word. Therefore a 69-sided polygon would be called a hexacontakaienneagon. Wiki User. ∙ 2009-11-23 09:27:15. This …
The figure above shows a regular 9-sided polygon. What …
Web9 apr. 2024 · A polygon with "n" sides has an interior angle sum of 180°. (n-2) n ( n − 3) 2 is the number of diagonals in a "n-sided" polygon. A regular n-sided polygon's internal angles are measured as ( n − 2) 180 ° n . A regular n-sided polygon's outer angles are measured as 360 ° n . A 2-dimensional shape Web11 feb. 2024 · It should be no surprise that the hexagon (also known as the "6-sided polygon") has precisely six sides.This fact is true for all hexagons since it is their defining feature. The length of the sides can vary even within the same hexagon, except when it comes to the regular hexagon, in which all sides must have equal length.. We will dive a … la cruz mexico weather
Nonagon: Definition, Types, and Properties with Solved Examples
WebNonagon is a polygon that has 9 sides, 9 interior angles and 9 exterior angles. A nonagon has 27 diagonals and the sum of the interior angles of a nonagon is 1260°. A nonagon … Web16 mei 2024 · What Is a Nine-Sided Shape Called? A nonagon is a closed shape that has nine sides. If it is a regular nonagon, all nine sides are the same length, and all the angles are equal. The sum of the interior angles of a nonagon is 1260 degrees. What is the name of a polygon with 997 sides? This is the name for a polygon with 997 sides. Web9 jan. 2016 · 1260˚ A nonagon can have 6 diagonals drawn inside of it to form 7 interior triangles. Every triangle's angles have a sum of 180˚. Therefore, since there are 7 triangles, the sum of the interior angles in a nine-sided polygon is 7xx180˚=1260˚ This can be generalized to a polygon with n sides, since n-2 triangles can be drawn in any polygon. project management for new products