Question

if circumference of a circular sheet is 132 cm find its radius
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Answer 1

Answer:

circumference = 132 cm

2πr = 132

2× 22/7 × r = 132

r = 132 × 7/22 × 1/2

r = 21 cm

Step-by-step explanation:

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Answer 2

Answer:

C = 132 cm

$2\pi \: r = c \\ 2 \times( 22 \div 7) \times r = 132 \\ r =( 132 \times 7) \div (2 \times 22) \\ r = 21 \: cm$