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  1. Chapter 3 Class 8 Understanding Quadrilaterals
  2. Serial order wise

Transcript

Ex 3.2, 2 Find the measure of each exterior angle of a regular polygon of (i) 9 sidesWe know that Exterior angle = (360°)/𝑛 where n is the number of sides of regular polygon Given Number of sides of a regular polygon = 9 Exterior angle = 360"°" /9 = 40° Ex 3.2, 2 Find the measure of each exterior angle of a regular polygon of (ii) 15 sidesWe know that Exterior angle = (360°)/𝑛 where n is the number of sides of regular polygon Given Number of sides of a regular polygon = 15 Exterior angle = 360"°" /15 = 24°

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.