CBSE Class 10 Answered
doubt
Asked by akhileshnarayanan | 09 Feb, 2010, 01:30: PM
Expert Answer
let O be the center of the circle
since the angle sub by the chord AB is 60, so the other two angles, OAB and OBA, being equal also have to be 60 each,
Thus OAB is an equi triangle.
the area of the minor seg can be found by using the formula
area=[theta/360][pie][r][r]
the area of the major seg can be found by
area of the circle-[area of minor segment]
use theta =60
r=15
Answered by | 09 Feb, 2010, 04:17: PM
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