25.4cm
25.4cm
25.6cm
29.8cm
Correct answer is D
The lenght of Arc AB = Q360 2πr
= 48360 x 2227 x 10.5 = 48360 x 2227 x 212
= 4×22×330×8810 = 8.8cm
Perimeter = 8.8 + 2r = 8.8 + 2r
= 8.8 + 2(10.5)
= 8.8 + 21
= 29.8cm
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