In a circle of diameter 42cm,if an arc subtends an angle of 60˚ at the centre where Ο€ =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

Β 

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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  2. Solutions of Sample Papers for Class 10 Boards

Transcript

Question 14 In a circle of diameter 42 cm, if an arc subtends an angle of 60˚ at the centre where πœ‹ = 22/7, then what will be the length of arc.Length of Arc APB = πœƒ/360Γ— (2πœ‹π‘Ÿ) = (60Β°)/(360Β°) Γ— 2 Γ—22/7 Γ— 21 = 1/6 Γ— 2 Γ— 22/7 Γ— 21 = 22 cm

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.