English

Find the Number of Sides in a Regular Polygon, When Each Exterior Angle Is: 20° - Mathematics

Advertisements
Advertisements

Question

Find the number of sides in a regular polygon, when each exterior angle is: 20°

Sum
Advertisements

Solution

Each exterior angle

= `(360°)/"n"`

⇒ `(360°)/"n"` = 20°
⇒ n = 18.

shaalaa.com
  Is there an error in this question or solution?
Chapter 18: Rectilinear Figures - Exercise 18.1

APPEARS IN

Frank Mathematics [English] Class 9 ICSE
Chapter 18 Rectilinear Figures
Exercise 18.1 | Q 5.1
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×