Advertisements
Advertisements
Question
A sector of circle of radius 4cm contains an angle of 30°. Find the area of sector
Advertisements
Solution
Radius = 4 cm = r
Angle subtended at centre = 𝜃 = 30°
Area of sector (shaded region)
=`theta/360^@× pir^2`
=`30/360×22/7`× 4 × 4
=`88/21cm^2`
∴ 𝑎𝑟𝑒𝑎 𝑜𝑓 𝑟𝑒𝑞𝑢𝑖𝑟𝑒𝑑 𝑠𝑒𝑐𝑡𝑜𝑟 =`88/21cm^2`
shaalaa.com
Is there an error in this question or solution?
