CBSE Class 10 Answered
area of a sector of a circle of radius 14cm is 154cm2. find the length of the corresponding sector
Asked by | 30 Jan, 2012, 08:39: PM
Expert Answer
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
Answered by | 31 Jan, 2012, 10:13: AM
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