What is the length of arc of a sector whose perimeter is 64.8 cm & radius is 12.4 cm
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1. Perimeter of the sector =2(Radius) + Arc Length
Hence, Arc length =Perimeter−2×Radius=35−2×8=19cm
2. Perimeter of the sector =2(Radius) + Arc Length
Hence, 2 Radius =Perimeter−Arc
′
sLength=24−7=17cm
Radius=8.5cmANSWER
1. Perimeter of the sector =2(Radius) + Arc Length
Hence, Arc length =Perimeter−2×Radius=35−2×8=19cm
2. Perimeter of the sector =2(Radius) + Arc Length
Hence, 2 Radius =Perimeter−Arc
′
sLength=24−7=17cm
Radius=8.5cm
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