Ex 11.1, 1 - Chapter 11 Class 10 Areas related to Circles

Last updated at April 16, 2024 by Teachoo

Transcript

Ex 11.1, 1
Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°.
Given that,
Radius = r = 6 cm
& Angle of the sector = θ = 60°
We know that,
Area of sector of circle = 𝜽/(𝟑𝟔𝟎°) × πr2
= 60/360×22/7×(6)2
= 𝟏/𝟔×𝟐𝟐/𝟕×𝟑𝟔
= (6 × 22 )/7
= 132/7 cm2

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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