Find the Area of Sector Whose Arc Length and Radius Are 10 Cm and 5 Cm Respectively - Geometry Mathematics 2

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Find the area of sector whose arc length and radius are 10 cm and 5 cm respectively

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Solution

Length of an arc = 10 cm
Radius (r) = 5 cm

Area of the sector = `r/2xx "length of arc"`

`=5/2xx10`

`=25cm^2`

Thus, the area of the sector is 25 cm2 .

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2015-2016 (March) Set A

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Given: The radius of a circle (r) = `square`

Measure of an arc of the circle (θ) = `square`

Area of the sector = `θ/360^circ xx square`

= `square/360^circ xx square xx square xx square`

= `square xx square xx square`

= 47.10 cm2


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