Mon January 30, 2012 By:

area of a sector of a circle of radius 14cm is 154cm2. find the length of the corresponding sector

Expert Reply
Tue January 31, 2012
area of a circle is pi r^2 ie pi r^2 degree/360= area of the circle =pi r^2 degree/360=154 degree=90 length of the arc =2rsin(degree/2) so the length of the arc is 19.79 cm
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