Question

QI1 Find the circumference of circle whose radius is 21 cm
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Answer 1

Answer:

circumfrence of the given circle is 132 cm

Step-by-step explanation:

given the radius of the circle, r = 21cm

=> circumfrence, p = 2$\pi r$ units

                                = 2 * (22/7) * 21 cm

                                = 2 * (22/1) *3 cm

                                = 2 * 22 * 3 cm

                                = 132 cm

Answer 2

Answer :- 132 cm

Step-by-step explanation:

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