Question

the perimeter of the sector of the circle of area 64π sq .cm is 56cm . find the area of the sector.​

Answer 1

Step-by-step explanation:

Area of circle=64pie(given)

pie r^2=64 pie

r^2=64

r=8 cm

so perimeter of sector=2r*Lenght of arc

56=2*8*L

56/16=L

L=7/2

so area of sector=1/2*l*r

=1/2*7/2*8

=14cm^2 Answer

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