CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard

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Question 14 - CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at Dec. 16, 2024 by

In a circle of diameter 42cm,if an arc subtends an angle of 60˚ at the centre where π =22/7, then what will be the length of arc.

In a circle of diameter 42 cm, if an arc subtends an angle of 60 at

 

Note : This is similar to Ex 12.2, 5 ( i ) of NCERT – Chapter 12 Class 10

Check the answer here https:// www.teachoo.com /1854/547/Ex-12.2--5---In-a-circle-of-radius-21-cm--an-arc-subtends-60/category/Ex-12.2/

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Transcript

Question 14 In a circle of diameter 42 cm, if an arc subtends an angle of 60˚ at the centre where 𝜋 = 22/7, then what will be the length of arc.Length of Arc APB = 𝜃/360× (2𝜋𝑟) = (60°)/(360°) × 2 ×22/7 × 21 = 1/6 × 2 × 22/7 × 21 = 22 cm

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo