Question

find the diameter of a circle whose circumference is 2.2 CM ​

Answer 1

$\huge{\mathfrak{\blue{\underline{Answer}}}}$

Circumference = 2πr

$2 \times \frac{22}{7} \times r = 2.2cm \\ r = \frac{2.2cm \times 7}{2 \times 22} \\ r = 0.35cm$

Diameter = 2(r)=2(0.35)=0.7cm

Answer 2

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