What+is+the+perimeter+of+the+sector+with+radius+10.5cm+and+sector+angle+60┬░?
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Answer:
Given, radius of the circle is 10.5 cm and sector angle is 60°
Step-by-step explanation:
perimeter of the sector=L+2r
L=60/360*22/7*10.5*10.5
L=1/6*22*1.5*10.5
L=11*1.5*3.5
L=57.75 cm
2r=2*10.5
r=21/2
L+2r=57.75+21/2
=115.5+21/2
=136.5/2
=68.25 cm
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