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Ex 12.1, 5 - If perimeter and area of circle are equal - Area/Perimeter of Circle

  1. Chapter 12 Class 10 Areas related to Circles
  2. Serial order wise
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Ex 12.1, 5 Tick the correct answer in the following and justify your choice : If the perimeter and the area of a circle are numerically equal, then the radius of the circle is 2 units (B) π units (C) 4 units (D) 7 units It is given that Perimeter = area of a circle 2πr = πr2 2𝜋/𝜋 = 𝑟^2/𝑟 2 = r r = 2 units Hence A is correct.

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He provides courses for Mathematics from Class 9 to 12. You can ask questions here.