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प्रश्न
The radius of a sector of a circle is 3.5 cm and length of its arc is 2.2 cm. Find the area of the sector.
बेरीज
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उत्तर
Given: Radius of the sector, r = 3.5 cm
Length of the arc, l = 2.2 cm
Formula: Area of the sector = `1/2 lr`
= `1/2 xx 2.2 xx 3.5`
= 3.85 cm2
Thus, the area of the sector is 3.85 cm2.
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