plz help quickly math
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Step-by-step explanation:
2πr=12
r=12/2π=6/π
area of sector =72π*(6/π)^2/360
=36/5π cm2
b) length of arc =72*2πr/360=2πr/5
=2π*6/5π=12/5
perimeter =6/π+6/π+12/5
P=12/π+12/5=12(5+π)/5π
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