Question

8. Find the circumference of a circle whose radius is 4.5 cm​

Answer 1

∴Formula∵ -

C=2πr

∵Answer∴ -

C≈28.27

∴Work/Solution∵-

C=2πr=2·π·4.5≈28.27433

Answer 2

Answer:

Circumference of circle is 2πr

as we know Value of is π is 22/ 7

2×22÷7×4.5

=28.2857142857

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