In a circle of radius 21 {\cm}, an arc subtends an angle of 60^{\circ} at the centre. Find the area of the sector formed by the arc. Also, find the length of the arc.

CBSE Class 10 Math 2023 All India Set-1 Solved Paper

Question : 31 of 38

Marks: +1, -0

In a circle of radius

21 {\cm}

, an arc subtends an angle of

60^{∘}

at the centre. Find the area of the sector formed by the arc. Also, find the length of the arc.

Solution:

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