Question

find the circumference of a circle whose radius is 28 cm ​

Answer 1

Answer:

Circumference formula=

$2\pi \: r$

Step-by-step explanation:

$2 \times 22 \div 7 \times 28$

$2 \times 22 \times 4$

$176cm$

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Answer 2

Answer:

Given: Radius is 28cm

Solution: circumference of circle= 2πr

= 2×22/7×28

= 2×22×4

= 44×4

= 176cm

Therefore, the circumference of a circle is 176cm

correct explanation

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