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  • Find the area of the sector of a circle of radius 5 cm, if the corresponding arc length is 3.5 cm.

Find the area of the sector of a circle of radius 5 cm, if the corresponding arc length is 3.5 cm.

Answers (1)

[8.75 cm2]

Solution

Length of the Arc = 3.5 cm

Radius (r)= 5 cm

Area of sector=\frac{1}{2} \times radius \times length of arc

 \\=\frac{1}{2} \times r \times \frac{\theta}{360^{\circ}}\times 2\pi r\\\\ =\frac{1}{2} \times 5\times3.5=8.75cm^{2}

                                   

                                                                       

                                 

Posted by

infoexpert24

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