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In a Circle of Radius 21 Cm, an Arc Subtends an Angle of 60° at the Centre. Find Area of the Sector Formed by the Arc. (Use π = 22/7) - Mathematics

Sum

In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. Find area of the sector formed by the arc. (Use π = 22/7)

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Solution

 Area of the sector formed by the arc is given by

`(60°)/(360°) pi (21)^2`

`= 1/6xx22/7(21)^2`

`= 231`

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APPEARS IN

RD Sharma Class 10 Maths
Chapter 13 Areas Related to Circles
Exercise 13.2 | Q 21.2 | Page 25
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