The area of a sector of a circle is 1/10 of the area of the circle. Find the angle of the sector.
Answers
Answered by
24
let the area of the circle be x cm
Area if the sector =1/10x
since x=360°......(i)
1=360°/x
1/10x=?
x=360×10/x
x=3600/x......(ii)
comparing (i)and (ii)
360°=3600/x
1=10/x
x=10
so area of circle =10 cm^2
area of sector =1cm^2
since 10=360°
1=360/10
=36°
Area if the sector =1/10x
since x=360°......(i)
1=360°/x
1/10x=?
x=360×10/x
x=3600/x......(ii)
comparing (i)and (ii)
360°=3600/x
1=10/x
x=10
so area of circle =10 cm^2
area of sector =1cm^2
since 10=360°
1=360/10
=36°
Similar questions