The perimeter of the sector whose radius is 14cm and angle at the centreis 45
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Step-by-step explanation:
length of the arc=(Φ/360)*2πr
= 1/8* 2*22/7*14
= 11cm
perimeter of the sector = 11+r+r=11+2r
= 11+2*14
=11+28
=39cm
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