Question 14 - CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards
Last updated at April 16, 2024 by Teachoo
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.
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/
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
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, Social Science, Physics, Chemistry, Computer Science at Teachoo.
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