Find the area of a sector of a circle. radius of circle is 5.3 cm and whose perimeter is 16.
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r=5.3. l=16-2r. l=16-2+5.3
l=5.4.
area=rl÷2
=5.3×5.4÷2
area=14 .31
l=5.4.
area=rl÷2
=5.3×5.4÷2
area=14 .31
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