Advertisements
Advertisements
प्रश्न
Find the area of the sector whose arc length and radius are 8 cm and 3 cm respectively.
योग
Advertisements
उत्तर
Length of arc, S = 8 cm
Radius of circle, r = 3 cm
`"S" = rθ ⇒ θ = "S"/r = 8/3`radians
`8/3"radians"=180/pixx8/3=(480/pi)@`
`"Area of the sector "=theta/360xxpir^2=480/(360xxpi)xxpir^2=4/3xx9=12"cm"^2`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
