Geometry
Regular Polygons
| Regular \(n\)-gon | Internal Angle Sum |
| 3 | 180 |
| 4 | 360 |
| 5 | 540 |
| 6 | 720 |
Given the pattern seen in this table, which of the following accurately represents the internal angle sum in terms of \( n \)?
by
Arron Kau
If \(FGHIJ\) is a regular pentagon, find \[\angle A + \angle B + \angle C + \angle D + \angle E \ .\]
Details: A regular pentagon is a pentagon with 5 sides of equal length and 5 corner angles of equal measure.
by
Akshal Sarodia
What is the area of the red region if the area of the blue region is 5?
\(\)
Note: The hexagon is regular.
by
Ross Fasone
Which of the following is the ratio of the measure of an interior angle of a 24-sided regular polygon to that of a 12-sided regular polygon?
by
Anuj Shikarkhane
Consider that in the above image the triangle is right angled and the octagon is regular. Then find \(x\) in degrees.
by
Piolo Andrew Azuela