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Atiksh Tomar
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Asked: 2020-10-29T05:32:00+00:00 In:

Find the area of a quadrant of a circle whose circumference is 22 cm.

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NCERT Solutions for Class 10 Maths Chapter 12
Important NCERT Questions
Areas Related To Circles Class,
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 12.2
Page No:230
Questions No:2

2020-2021areas related to circles classcbsechapter 12class10mathematicsncert
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    2 Answers

    1. Get Hindi Medium and English Medium NCERT Solution for Class 10 Maths to download.
      Please follow the link to visit website for first and second term exams solutions.
      https://www.tiwariacademy.com/ncert-solutions/class-10/maths/chapter-12/

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    2. Best Answer
      Find the area of a quadrant of a circle whose circumference is 22 cm.

      Let the radius of circle = r
      Circumference = 22 cm
      Therefore, 2πr = 22
      ⇒ r = 22/2π = 11/π
      Quadrant of circle subtends an angle of 90° at the center.
      Therefore, the area of quadrant
      = 90°/360° × πr²
      = 1/4 × π(11/π)² = 1/4 × π × 11/π = 121/4π = (121 × 7)/(4 × 22) = 77/8 cm²

      See here for better understanding of this Answer😇👇

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