Math, asked by nageswararao6668, 1 year ago

The perimeter of sector of a circle of radius 4.5cm is 25cm. Find the area of sector.CLASS 1Oth

Answers

Answered by Somya297

1

perimeter of sector=2r*l
25=2*4.5*l
25=9l
25/9=l
so area of sector=1/2*l*r
=1/2*25/9*4.5
=12.5/2
=6.25cm^2

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