answer the question no 8
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radius of quarter = 3.5cm
formulae of perimeter of quarter = 1/2 × 22/7 × radius
answer = 1/2 × 22/7 × 35/10 = 11/2 = 5.5 cm
perimeter = 5.5 cm
formulae of perimeter of quarter = 1/2 × 22/7 × radius
answer = 1/2 × 22/7 × 35/10 = 11/2 = 5.5 cm
perimeter = 5.5 cm
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