Question #b6805

1 Answer
sankarankalyanam
Feb 9, 2018

Central angle #theta = 12.5^0#

Explanation:

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Given : S = 13.2, r = 11. To find #theta#

Formula for Area of sector is #S =( theta / 360) pi r^2#

Substituting the given values,

#13.2 = (theta/360) * pi 11^2#

#theta / 360 = 13.2 / ( pi * 11^2)#

#theta = (360 * 13.2) / (pi * 11^2)#

#theta = 12.5^0#

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